KOPEY, B.; KHALIMI, D. Optimization of equipment availability of a gas-pumping unit. JOURNAL OF HYDROCARBON POWER ENGINEERING, [S. l.], v. 2, n. 2, p. 48–51, 2017. Disponível em: https://ogpe.nung.edu.ua/index.php/jhpe/article/view/35. Acesso em: 30 apr. 2024.