CARDOZIER, V. R. A Procedure For Measuring Level Of Farming Practice. Journal of Agricultural Education, [S. l.], v. 11, n. 1, p. 36–42, 1970. DOI: 10.5032/jaatea.1970.01036. Disponível em: https://jae-online.org/index.php/jae/article/view/1353. Acesso em: 13 jul. 2024.