TAPPANGAN, S. .; MUKMIN , M. N. .; FIRDAUS, F.; SUGENG, B. .; SARUNGU, S. .; RONTINSUKU , A. Analisis Keekonomian Penggunaan Hydraulic Pumping Unit (HPU) Pada Sumur “ST-27” Lapangan X. Citizen : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 2, n. 4, p. 749–755, 2022. DOI: 10.53866/jimi.v2i4.125. Disponível em: https://journal.das-institute.com/index.php/citizen-journal/article/view/125. Acesso em: 21 apr. 2026.