CVANCARA, Joseph. Does Farm Management Instruction Pay?. Journal of Agricultural Education, [S. l.], v. 5, n. 1, p. 5–8, 1964. DOI: 10.5032/jaatea.1964.01005. Disponível em: https://jae-online.org/index.php/jae/article/view/358. Acesso em: 11 aug. 2024.