1.
Idilla L, Satyahadewi N, Martha S. Comparison of Single Net Premium of Unit Linked Endowment Life Insurance using Annual Ratchet Method and Black Scholes Model. PIJMath [Internet]. 29Nov.2025 [cited 21Feb.2026];4(2):73-6. Available from: https://ojs3.unpatti.ac.id/index.php/pijmath/article/view/20142