Technique of A Feasibility Study for the Use of a Variable Frequency Drive in Pumping Units. Eurasian Journal of Engineering and Technology, [S. l.], v. 12, p. 24–30, 2022. Disponível em: https://geniusjournals.org/index.php/ejet/article/view/2689. Acesso em: 18 jan. 2026.