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  1. On powering adjacency and antiadjacency matrices of a directed graph

    Article • January 2023, American Institute of Physics

    Muhammad Irfan arsyad Prayitno

  2. Properties of adjacency, in-degree Laplacian, and out-degree Laplacian matrices of directed cyclic sun graph

    Article • January 2019, American Institute of Physics

    Dr. Denny Riama Silaban, Muhammad Irfan arsyad Prayitno, Siti Aminah