WIEGERS, Jr. What is Evaluation?. Journal of Agricultural Education, [S. l.], v. 10, n. 1, p. 8–9, 1969. DOI: 10.5032/jaatea.1969.01008. Disponível em: https://jae-online.org/index.php/jae/article/view/1513. Acesso em: 13 jul. 2024.