[1]
R. Narendra, “Determining the Optimal Return of a Sharia-Compliant Stock Investment Portfolio in the Employment Social Security Agency”, KJIC, vol. 2, no. 2, pp. 1–20, Dec. 2025, Accessed: Jan. 25, 2026. [Online]. Available: https://jurnal.kedjati.com/index.php/kedjati/article/view/49