Virnandhita, Rezty Karina, dan Dadang Mashur. “IMPLEMENTASI CORPORATE SOCIAL RESPONSIBILITTY (CSR) PT TUNGGAL PERKASA PLANTATIONS DI INDRAGIRI HULU”. Jurnal Paris Langkis 2, no. 1 (Agustus 17, 2021): 125–135. Diakses November 22, 2024. https://e-journal.upr.ac.id/index.php/parislangkis/article/view/3339.