Level and Structure of Inputs in Specialist Farms. Agricultural Engineering , [S. l.], v. 22, n. 4, p. 25–32, 2018. DOI: 10.1515/agriceng-2018-0033. Disponível em: https://ojs.agriceng.org/index.php/AgricEng/article/view/83.. Acesso em: 8 jan. 2025.