VALE, W. G.; GARCIA, R. F.; CORRêA JúNIOR, D.; GRAVINA, G. A.; SOUSA, E. F. Operational and energetic performance of an agricultural tractor during direct and conventional sowing. Scientific Electronic Archives, [S. l.], v. 7, n. 2, p. 65–76, 2014. DOI: 10.36560/722014155. Disponível em: https://sea.ufr.edu.br/index.php/SEA/article/view/155. Acesso em: 18 maio. 2024.