NARENDRA, Reyzal. Determining the Optimal Return of a Sharia-Compliant Stock Investment Portfolio in the Employment Social Security Agency. KEDJATI Journal of Islamic Civilization, [S. l.], v. 2, n. 2, p. 1–20, 2025. Disponível em: https://jurnal.kedjati.com/index.php/kedjati/article/view/49. Acesso em: 25 jan. 2026.