ISHAK, Shahrul Nizam; MD ALI, Jamaludin. Parametric Surface Generation Using Partial Differential Equation Based Approach. MATEMATIKA, [S. l.], v. 24, p. 149–158, 2008. DOI: 10.11113/matematika.v24.n.537. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/537. Acesso em: 5 may. 2024.