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  1. Effect of air column on rice husk gasification performance

    Article • January 2025, American Institute of Physics

    Dr. Fredy Surahmanto

  2. Effect of primary airflow speeds on the char yield of coconut shell carbonization

    Article • January 2025, American Institute of Physics

    Dr. Fredy Surahmanto

  3. pyrolysis kinetics of oil palm solid waste

    Article • Energy Exploration & Exploitation, September 2019, SAGE Publications

    Dr. Fredy Surahmanto

  4. Distributed activation energy model for analyzing kinetics of oil palm solid waste

    Article • Biofuels, October 2017, Taylor & Francis

    Dr. Fredy Surahmanto

  5. THE EFFECT OF DIFFERENT AMBIENT TEMPERATURE TO SOLAR COOLING PERFORMANCE

    Article • Jurnal Teknologi (Sciences & Engineering), May 2016, Penerbit UTM Press

    Dr. Fredy Surahmanto