LOHMATOV, A. G.; STRIZHAK, P. V. Comparison of agricultural pumping plants efficiency control methods. Electrical Engineering and Power Engineering, [S. l.], n. 1, p. 57–61, 2010. DOI: 10.15588/1607-6761-2010-1-8. Disponível em: http://ee.zntu.edu.ua/article/view/93981. Acesso em: 30 apr. 2024.