Selvia S, Bi Rahmani NA, Kusmilawaty K. Investment Analysis at PT Asuransi Takaful Keluarga against Optimal Portfolio. JLS [Internet]. 2024Apr.3 [cited 2026May28];5(3):577-89. Available from: https://www.newinera.com/index.php/JournalLaSociale/article/view/1166