MAJEED, A. Y. Save Energy in Choosing Oil Pumping Systems. Journal of Petroleum Research and Studies, [S. l.], v. 12, n. 1(Suppl.), p. 316-330, 2022. DOI: 10.52716/jprs.v12i1(Suppl.).640. Disponível em: https://jprs.gov.iq/index.php/jprs/article/view/640. Acesso em: 19 apr. 2024.