SARI, Widya Rahmah. BATAS ATAS R(C4;Wm) UNTUK m 6. Jurnal Matematika UNAND, [S. l.], v. 1, n. 1, p. 63–66, 2012. DOI: 10.25077/jmu.1.1.63-66.2012. Disponível em: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/18. Acesso em: 4 nov. 2026.