MUHAMMAD RAFIF ADIGUNA; OKTOFA YUDHA SUDRAJAD. Determining the Optimal Capital Structure of PT. Krakatau Steel Tbk (Persero). El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, [S. l.], v. 6, n. 5, p. 1654 –, 2025. DOI: 10.47467/elmal.v6i5.7241. Disponível em: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/7241. Acesso em: 11 may. 2026.