PRAYITNO, Muhammad Irfan Arsyad; SUGENG, Kiki Ariyanti. On Characteristic Polynomial of Antiadjacency Matrix of A Line Digraph. Jurnal Matematika UNAND, [S. l.], v. 11, n. 1, p. 74–81, 2022. DOI: 10.25077/jmu.11.1.74-81.2022. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/934. Acesso em: 6 nov. 2026.