Prayitno, Muhammad, and Kiki Sugeng. 2022. “ON ANTIADJACENCY MATRIX OF A DIGRAPH WITH DIRECTED DIGON(S)”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 16 (2), 497-506. https://doi.org/10.30598/barekengvol16iss2pp497-506.