Akhmad Rifkyansyah, and Rahmat Setiawan. “Merit Order As a Generation Portfolio Optimization Mechanism in PLN and PLN Nusantara Power: A Systematic Analysis of Operational Efficiency, PJBTL Contract Structure, and Digital Transformation”. International Journal of Economics and Management Research 5, no. 1 (April 4, 2026): 848–857. Accessed April 4, 2026. https://ijemr.asia/index.php/ijemr/article/view/822.