CALCANTE, A.; FONTANINI, L.; MAZZETTO, F. Repair and maintenance costs of 4WD tractors and self propelled combine harvesters in Italy. Journal of Agricultural Engineering, [S. l.], v. 44, n. s2, 2013. DOI: 10.4081/jae.2013.312. Disponível em: https://www.agroengineering.org/jae/article/view/jae.2013.s2.e70. Acesso em: 24 apr. 2024.