Akpanibah EE, Benneth P, Esabai AM. A MATHEMATICAL APPROACH TO INVESTMENT WITH CHARGE ON BALANCE AND VOLUNTARY CONTRIBUTIONS UNDER WEIBULL MORTALITY FORCE FUNCTION. BAREKENG: J. Math. & App. [Internet]. 13Jan.2025 [cited 15Jan.2025];19(1):427-40. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/14126