JEMAIN, Abdul Aziz. Model Ringkas Menyukat Kerugian Keluarga Akibat Kematian Sebelum Matang. MATEMATIKA, [S. l.], v. 9, p. 73–83, 1993. DOI: 10.11113/matematika.v9.n.617. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/617. Acesso em: 8 may. 2024.