Kusmana, Endang, Nur Fadjrih Asyik, and Wahidahwati Wahidahwati. β€œThe Effect of EMA and CSR Costs on BOPO Mediated by GRI 11-Based CSR Disclosure: Pertamina Group 2020–2025”. Jurnal Ekonomi, Manajemen, dan Bisnis 4, no. 3 (August 31, 2026): 1053–1064. Accessed September 18, 2026. https://journal.kalibra.or.id/index.php/emis/article/view/823.