Widiastuti, Ayu. “CORPORATE SOCIAL RESPONSIBILITY (CSR) DAN IMPLEMENTASINYA DI PT PERTAMINA PERSERO”. Jurnal Ilmiah WUNY 5, no. 2 (October 4, 2023). Accessed June 4, 2025. https://journal.uny.ac.id/index.php/wuny/article/view/65400.