“Term Life Insurance Reserves Using the Extended Vasicek Interest Rate Model With Fackler and Full Preliminary Term Methods”. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika 9, no. 1 (March 31, 2026): 245–254. Accessed April 11, 2026. https://e-journal.my.id/proximal/article/view/8048.