AHMAD, Azhar; MD ALI, Jamaludin. Pengawalan Lengkung Kubik Nisbah Alternatif. MATEMATIKA, [S. l.], v. 19, p. 71–81, 2003. DOI: 10.11113/matematika.v19.n.498. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/498. Acesso em: 22 nov. 2024.