Hartana (2023) “EKSISTENSI PERUSAHAAN DI SEKTOR PERTAMBANGAN BATUBARA”, Jurnal Pacta Sunt Servanda, 4(1), pp. 110-119. Available at: https://ejournal2.undiksha.ac.id/index.php/JPSS/article/view/1887 (Accessed: 22November2024).