CURTIS, Samuel M. A Multi-Level Curriculum Model For Vocational Education In Agriculture. Journal of Agricultural Education, [S. l.], v. 19, n. 1, p. 11–16, 1978. DOI: 10.5032/jaatea.1978.01011. Disponível em: https://jae-online.org/index.php/jae/article/view/1524. Acesso em: 17 sep. 2024.