Setiawan, Zefania. “Optimal Capital Structure Analysis of PT Kencana Energi Lestari Tbk”. Journal Integration of Social Studies and Business Development 1, no. 2 (August 13, 2023): 102–113. Accessed November 4, 2026. https://jurnal.integrasisainsmedia.co.id/JISSBD/article/view/115.