BRIERS, Gary. Experimental Evaluation Of An Instructional Packet On Supervised Occupational Experience Programs For Beginning Vocational Agriculture Students In Iowa. Journal of Agricultural Education, [S. l.], v. 20, n. 3, p. 31–40, 1979. DOI: 10.5032/jaatea.1979.03031. Disponível em: https://jae-online.org/index.php/jae/article/view/527. Acesso em: 22 feb. 2025.