TOYCHIEV, F. N. .; ACHILOV, H. J. .; MAMADIEV, H. N. .; RAZHABOV, Z. B. Energy Saving with Two-Speed Motors in Pumping Stations. Journal of Ethics and Diversity in International Communication, [S. l.], v. 1, n. 6, p. 115–118, 2021. Disponível em: https://openaccessjournals.eu/index.php/jedic/article/view/751. Acesso em: 3 jul. 2024.