MUZAKI, Tauki Rohman; SISWANAH, Emy; MIASARY, Seftina Diyah. Calculation of Tabarru Funds Using Makeham’s Mortalita Law and Gompertz’s Mortalita Law Using the Cost Of Insurance Method. Journal of Natural Sciences and Mathematics Research, [S. l.], v. 6, n. 1, p. 38–42, 2020. Disponível em: https://journal.walisongo.ac.id/index.php/JNSMR/article/view/11156. Acesso em: 27 jun. 2025.