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  1. LEGAL ASPECTS OF TELEMEDICINE PRACTICE AND ITS IMPLICATIONS FOR HEALTH SERVICES IN THE DIGITAL AGE

    Article • Veredas do Direito, September 2025, South Florida Publishing LLC

    Dr. Gunawan Widjaja

  2. Health Law On Medical Waste Management

    Article • Journal of Posthumanism, April 2025, Nobel Press Resources

    Dr. Gunawan Widjaja

  3. Public Sector Law and State Financial Management for Development Financing

    Article • Journal of Posthumanism, April 2025, Nobel Press Resources

    Dr. Gunawan Widjaja

  4. IMPLEMENTATION OF CORPORATE SOCIAL RESPONSIBILITY AS A STRATEGIC OPPORTUNITY TO ACCELERATE INDONESIA'S HUMAN RESOURCES DEVELOPMENT FACING THE DEMOGRAPHIC BONUS

    Article • Journal of Law and Sustainable Development, March 2025, South Florida Publishing LLC

    Dr. Gunawan Widjaja

  5. Dispute Resolution in Islamic Economic Transactions: The Role and Function of Sharia Arbitration

    Article • Journal of Islamic Economic Laws, February 2025, Universitas Muhammadiyah Surakarta

    Dr. Gunawan Widjaja

  6. The Development of Indonesian Monetary Policy in Digital Currencies

    Article • Journal of Management World, December 2024, Academia Publishing Group

    Dr. Gunawan Widjaja

  7. Ethical Aspects in Legal Management: A Unique Approach to Addressing Moral Dilemmas in Business Decision-Making

    Article • Journal of Management World, December 2024, Academia Publishing Group

    Dr. Gunawan Widjaja

  8. Historical Traces Of Health Law: Tracing The Dynamics Of Health Regulation Development Through Literature

    Article • CBJIS Cross-Border Journal of Islamic Studies, December 2024, Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

    Dr. Gunawan Widjaja

  9. Exploring Bioethical Considerations in the Telemedicine: Ensuring Ethical Practices in Digital Healthcare

    Article • November 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gunawan Widjaja

  10. History and Development of Death Sentencing in Indonesia: Current Policy and Regulations

    Article • Sprin Journal of Arts Humanities and Social Sciences, November 2024, Sprin Publisher

    Dr. Gunawan Widjaja

  11. Policy palette: A spectrum of legal and educational challenges in the political landscape

    Article • Journal of Infrastructure Policy and Development, September 2024, EnPress Publisher

    Dr. Gunawan Widjaja

  12. Legal analysis of derivative transactions in islamic economics

    Article • Edelweiss Applied Science and Technology, September 2024, Learning Gate

    Dr. Gunawan Widjaja

  13. Legal and environmental responsibility towards justice in industrial pollution

    Article • Journal of Infrastructure Policy and Development, August 2024, EnPress Publisher

    Dr. Gunawan Widjaja

  14. Retraction notice to “The effect of green belt as an environmentally friendly approach on energy consumption reduction in buildings” [Sustain. Energy Technol. Assessments 53 (2022) 102363]

    Article • Sustainable Energy Technologies and Assessments, July 2024, Elsevier

    Dr. Gunawan Widjaja

  15. Managing Legal and Corporate Compliance to Induce and Enhance Business

    Article • Law and Humanities Quarterly Reviews, June 2024, Asian Institute of Research

    Dr. Gunawan Widjaja

  16. Comparison of Tax Laws for Micro, Small, and Medium Enterprises in Developing Countries

    Article • Journal of Ecohumanism, June 2024, Creative Publishing House

    Dr. Gunawan Widjaja

  17. Law Enforcement Role in the Management of Sustainable Natural Resources

    Article • Journal of Ecohumanism, June 2024, Creative Publishing House

    Dr. Gunawan Widjaja

  18. Managing Legal Disputes Through Alternative Disputes Resolution

    Article • Journal of Ecohumanism, June 2024, Creative Publishing House

    Dr. Gunawan Widjaja

  19. Religion And the Making of National Law; Literature Review

    Article • International Journal of Religion, April 2024, Wise Academia Research Solutions

    Dr. Gunawan Widjaja

  20. Chemical and physical features of biological fluids in treatment of hydatid disease

    Article • Brazilian Journal of Biology, January 2024, FapUNIFESP (SciELO)

    Prof. Mohammed Nader Shalaby, Dr. Gunawan Widjaja

  21. Study on the role of nano antibacterial materials in orthodontics (a review)

    Article • Brazilian Journal of Biology, January 2024, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  22. MEDICAL ETHICS IN INDONESIA: CASE REVIEW

    Article • Journal of Southwest Jiaotong University, January 2024, Southwest Jiaotong University

    Dr. Gunawan Widjaja

  23. Principles, Processes and Practices in Legal Management of Organizations

    Article • Journal of Law and Judicial System, January 2024, Sryahwa Publications

    Dr. Gunawan Widjaja

  24. Review on the Women's Rights and Islamic Law in Southeast Asia

    Article • Journal of Law and Sustainable Development, September 2023, South Florida Publishing LLC

    Dr. Gunawan Widjaja

  25. Blockchain Based Abstract Syntax Tree to Detect Vulnerability in IOT-Enabled Smart Contract

    Article • August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gunawan Widjaja

  26. Efficient Secure Routing Strategy for the Internet of things Data Transactions

    Article • August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gunawan Widjaja

  27. Lightweight Anonymous Key Sharing Authentication Protocol for Resource-Constrained IoT Devices

    Article • August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gunawan Widjaja

  28. Seagrass Ecosystem and its Regulations in Indonesia

    Article • Tuijin Jishu/Journal of Propulsion Technology, July 2023, Science Research Society

    Dr. Gunawan Widjaja

  29. Investigation of thermodynamic parameters, combustion, and emissions of produced biodiesel fuel (from waste oil by heterogeneous nano-catalyst of stone cutting factory sludge) and its combination with diesel fuel

    Article • Journal of Thermal Analysis and Calorimetry, June 2023, Springer Science + Business Media

    Dr. Gunawan Widjaja

  30. Recent Modelling of the Ownership Structures and It’s Role in Corporate Performance of Company

    Article • May 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Gunawan Widjaja

  31. Expression of concern: “Humoral immune mechanisms involved in protective and pathological immunity during COVID-19” [Hum. Immunol. 82(10) (2021) 733–745]

    Article • Human Immunology, May 2023, Elsevier

    Dr. Gunawan Widjaja

  32. Corrigendum to “The effects of hydrogen doping on energy state of shear bands in a Zr-based metallic glass” [Vacuum 198 (2022) 110882]

    Article • Vacuum, April 2023, Elsevier

    Dr. Gunawan Widjaja

  33. Reverse Supply Chain and Pharmaceutical Waste Collection Management Utilizing Location-Routing Model

    Article • Mathematical Modelling and Engineering Problems, February 2023, International Information and Engineering Technology Association

    Dr. Gunawan Widjaja

  34. Recent advances in cold atmospheric plasma (CAP) for breast cancer therapy

    Article • Cell Biology International, November 2022, Wiley

    Dr. Gunawan Widjaja

  35. Academic Skills Guidance Efforts to Reduce Plagiarism Act in Student Writing in The Digital Age at Krisnadwipayana University – Jakarta

    Article • J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat), October 2022, IKIP PGRI Bojonegoro

    Dr. Gunawan Widjaja

  36. Various types of electrochemical biosensors for leukemia detection and therapeutic approaches

    Article • Analytical Biochemistry, October 2022, Elsevier

    Prof. Mohammed Nader Shalaby, Prof., Drs., M.IT., Ph.D. Mahyuddin K. M. Nasution, Dr. Gunawan Widjaja

  37. RETRACTED: The effect of green belt as an environmentally friendly approach on energy consumption reduction in buildings

    Article • Sustainable Energy Technologies and Assessments, October 2022, Elsevier

    Dr. Gunawan Widjaja

  38. Protective effects of summer savory (Satureja hortensis) oil on growth, biochemical, and immune system performance of common carp exposed to pretilachlor herbicide

    Article • Veterinary Research Communications, August 2022, Springer Science + Business Media

    Dr. Gunawan Widjaja

  39. Effect of tomato consumption on inflammatory markers in health and disease status: A systematic review and meta-analysis of clinical trials

    Article • Clinical Nutrition ESPEN, August 2022, Elsevier

    Dr. Gunawan Widjaja

  40. Investigating fullerene-oxide nanostructure as an adsorbent of ammonia: Complexation efficiency by density functional theory

    Article • Main Group Chemistry, July 2022, IOS Press

    Dr. Gunawan Widjaja

  41. Investigating the Effect of Priority in Customer Service in Optimizing the Hierarchical Location-Allocation of Crowded Facilities in the Framework of Queuing Systems

    Article • Industrial Engineering & Management Systems, June 2022, Korean Institute of Industrial Engineers

    Dr. Gunawan Widjaja

  42. THE ROLE OF ADAT FOREST AND ADAT LAW COMMUNITY IN ENVIRONMENTAL PROTECTION IN INDONESIA

    Article • Journal of Southwest Jiaotong University, June 2022, Southwest Jiaotong University

    Dr. Gunawan Widjaja

  43. The effects of initial rejuvenation on the cold joining behavior of Cu60Zr40 metallic glass

    Article • Applied Physics A, May 2022, Springer Science + Business Media

    Dr. Gunawan Widjaja

  44. Metronidazole, acyclovir and tetrahydrobiopterin may be promising to treat COVID-19 patients, through interaction with interleukin-12

    Article • Journal of Biomolecular Structure and Dynamics, April 2022, Taylor & Francis

    Dr. Gunawan Widjaja

  45. Mesenchymal stromal/stem cells and their exosomes application in the treatment of intervertebral disc disease: A promising frontier

    Article • International Immunopharmacology, April 2022, Elsevier

    Prof. Mohammed Nader Shalaby, Dr. Gunawan Widjaja

  46. The effects of hydrogen doping on energy state of shear bands in a Zr-Based metallic glass

    Article • Vacuum, April 2022, Elsevier

    Dr. Gunawan Widjaja

  47. Dietary Dracocephalum kotschyi essential oil improved growth, haematology, immunity and resistance to Aeromonas hydrophila in rainbow trout ( Oncorhynchus mykiss ...

    Article • Aquaculture Research, March 2022, Hindawi Publishing Corporation

    Dr. Gunawan Widjaja

  48. ASPEK HUKUM UJI KLINIK

    Article • Jurnal Cakrawala Ilmiah, February 2022, Bajang Institute

    Dr. Gunawan Widjaja

  49. MEDIASI DALAM KASUS MALPRAKTIK MEDIS (KEDOKTERAN)

    Article • Jurnal Cakrawala Ilmiah, February 2022, Bajang Institute

    Dr. Gunawan Widjaja

  50. Kinetic, isotherm, and thermodynamic studies on Cr(VI) adsorption using cellulose acetate/graphene oxide composite nanofibers

    Article • Applied Physics A, February 2022, Springer Science + Business Media

    Dr. Gunawan Widjaja, Indah Raya

  51. PEMAHAMAN KONSUMEN TENTANG PINJAMAN ONLINE (PINJOL) DI JAKARTA

    Article • Jurnal Pengabdian Kepada Masyarakat, January 2022, Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

    Dr. Gunawan Widjaja

  52. Protective Effect of Summer Savory (Satureja Hortensis) Essential Oil on Some Growth, Biochemical, Immune Serum, Mucosal Immune System and Antioxidant Parameters of Common Carp (Cyprinus Carpio) Exposed to Pretilachlor Herbicide

    Article • January 2022, Research Square

    Dr. Gunawan Widjaja

  53. What experts say about COVID-19 vaccine work in human body

    Article • International Journal of Health Sciences, January 2022, Universidad Tecnica de Manabi

    Dr. Gunawan Widjaja

  54. A review on material analysis of food safety based on fluorescence spectrum combined with artificial neural network technology

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  55. A review on separation and detection of copper, cadmium, and chromium in food based on cloud point extraction technology

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  56. Assessment effects and risk of nosocomial infection and needle sticks injuries among patents and health care worker

    Article • Toxicology Reports, January 2022, Elsevier

    Dr. Gunawan Widjaja

  57. On the Dynamics of a Viscoelastic Fluid-Conveying Nanotube

    Article • Fluid Dynamics & Materials Processing, January 2022, Tsinghua University Press

    Dr. Gunawan Widjaja

  58. Optimizing Fluid Flow Cooling in Gas Transmission Systems

    Article • Fluid Dynamics & Materials Processing, January 2022, Tsinghua University Press

    Dr. Gunawan Widjaja

  59. Removal of heavy metals using food industry waste as a cheap adsorbent

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  60. Study of e-Health nutritional interventions on disease patients based on meta-analysis

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  61. Study on food sampling routing system based on traveling salesman problem

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  62. The role of fat-producing yeasts in reducing food industry waste

    Article • Food Science and Technology, January 2022, FapUNIFESP (SciELO)

    Dr. Gunawan Widjaja

  63. Transfer hydrogenation of nitroarenes using cellulose filter paper-supported Pd/C by filtration as well as sealed methods

    Article • RSC Advances, January 2022, Royal Society of Chemistry

    Dr. Gunawan Widjaja

  64. A Hierarchical P-hub Center Problem for Perishable Products Using CPLEX Method and Origin-Destination Approach

    Article • Industrial Engineering & Management Systems, December 2021, Korean Institute of Industrial Engineers

    Dr. Gunawan Widjaja

  65. A Multi-Objective Optimization Model for Relief Facility Location in Crisis Conditions

    Article • Industrial Engineering & Management Systems, December 2021, Korean Institute of Industrial Engineers

    Dr. Gunawan Widjaja

  66. Route Optimization of Container Ships Using Differential Evolution and Gray Wolf Optimization

    Article • Industrial Engineering & Management Systems, December 2021, Korean Institute of Industrial Engineers

    Dr. Gunawan Widjaja

  67. Indonesia's omnibus law in the international context

    Article • Linguistics and Culture Review, December 2021, International Journal of College and University

    Dr. Gunawan Widjaja

  68. The effects of Ni or Nb additions on the relaxation behavior of Zr55Cu35Al10 metallic glass

    Article • Materials Today Communications, December 2021, Elsevier

    Dr. Gunawan Widjaja

  69. Cloning and Embryo Splitting in Mammalians: Brief History, Methods, and Achievements

    Article • Stem Cells International, November 2021, Hindawi Publishing Corporation

    Dr. Gunawan Widjaja

  70. Cross-Sectoral Engagement in the Eradication of Schistosomiasis in Indonesia

    Article • Global Journal of Health Science, September 2021, Canadian Center of Science and Education

    Dr. Gunawan Widjaja

  71. Understanding COVID-19 vaccination program among Indonesian public

    Article • International Journal of Health Sciences, September 2021, Universidad Tecnica de Manabi

    Dr. Gunawan Widjaja

  72. Humoral immune mechanisms involved in protective and pathological immunity during COVID-19

    Article • Human Immunology, July 2021, Elsevier

    Prof. Dr. Walid Kamal Abdelbasset, Dr. Gunawan Widjaja

  73. Sell and buy women in wedding (changes in the dowry's value in wedding: ethnographical study)

    Article • International journal of humanities literature & arts, March 2021, International Journal of College and University

    Dr. Gunawan Widjaja

  74. The Importance Of Early Child Drug Education; Indonesian Regulatory Perspective

    Article • Advances in Social Sciences Research Journal, August 2020, Scholar Publishing

    Dr. Gunawan Widjaja

  75. COVID-19 Pandemic and Law No. 6 Year 2018 regarding Health Quarantine

    Article • Journal of Indonesian Health Policy and Administration, May 2020, Universitas Indonesia, Directorate of Research and Public Service

    Dr. Gunawan Widjaja

  76. Mediation as Toll to Settle Medical Disputes; Indonesian Case

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  77. Meaning of Writing in “Arbitration Agreement”; Current Development

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  78. “Online Arbitration”; Comparative Analysis

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  79. “Fast Track Arbitration”; Comparative Analysis

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  80. “Emergency Arbitration”; Comparative Analysis

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  81. Differences Between Joint Operation and Public Private Partnership from Indonesian Legal Perspective

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  82. The Acknowledgement of Corporation’s Register Maintained by the Ministry of Law and Human Rights as Authentic Evidence in Court of Law

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  83. The Existence of Trusts in Indonesian Shariah Law; Study on Law No.19 Year 2008 Regarding State Shariah Commercial Paper

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  84. The State of Bank Guarantee When the Guaranteed Debtor is Declared Bankrupt

    Article • January 2020, Atlantis Press

    Dr. Gunawan Widjaja

  85. Legality of Cryptocurrency in Indonesia

    Article • ADVANCES IN BUSINESS RESEARCH INTERNATIONAL JOURNAL, September 2019, UiTM Press, Universiti Teknologi MARA

    Dr. Gunawan Widjaja

  86. Urgency of the Implementation of Health Technology Assessment to Support Indonesian National Health Security System

    Article • IOP Conference Series Materials Science and Engineering, May 2019, Institute of Physics Publishing

    Dr. Gunawan Widjaja

  87. Should Cannabis as Medicine be Specifically Regulated?

    Article • Pharmacology and Clinical Pharmacy Research, December 2018, Indonesian Journal of Clinical Pharmacy

    Dr. Gunawan Widjaja