Debt Ratio Optimization as an Alternative Approach to Capital Structure Determination Using the Lagrange Method. FORUM EKONOMI: Jurnal Ekonomi, Manajemen dan Akuntansi, [S. l.], v. 27, n. Special Issue, p. 69–83, 2025. DOI: 10.30872/jfor.v27i1/4449. Disponível em: https://e-journals2.unmul.ac.id/index.php/FORUMEKONOMI/article/view/4449. Acesso em: 25 feb. 2026.