ISLOM KHAFIZOV; KOMIL GAFFOROV; ZILOLA IMOMOVA3. Reduced Capital Costs When Using a Frequency-Controlled Electric Drive in Pumping Units. International Journal on Integrated Education, [S. l.], v. 4, n. 4, p. 73–81, 2021. DOI: 10.31149/ijie.v4i4.1607. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/1607. Acesso em: 4 nov. 2026.