JOHNSON, Donald M. Dynamometer and Instrumentation for Determining Electric Motor Power, Efficiency, and Power Factor. Journal of Agricultural Systems, Technology, and Management, [S. l.], v. 16, n. 1, 2002. Disponível em: https://jastm.org/index.php/jastm/article/view/11775. Acesso em: 23 feb. 2025.