Hotasi Stieward, Gabriel, Muhammad Rafli Bimo Prasetyo, and Sumaidi. “ANALISIS PERBANDINGAN PRODUKTIVITAS DRILLING RIG: STUDI TEORITIS DAN OBSERVASI LAPANGAN”. Kohesi: Jurnal Sains dan Teknologi 5, no. 11 (December 24, 2024): 31–40. Accessed August 3, 2025. https://ejournal.warunayama.org/index.php/kohesi/article/view/9054.