KOTRLIK, Joe; DRUECKHAMMER, David. The Importance Of Selected External Factors And Programmatic Components On Planning Vocational Agriculture Programs. Journal of Agricultural Education, [S. l.], v. 28, n. 4, p. 26–31, 1987. DOI: 10.5032/jaatea.1987.04026. Disponível em: https://jae-online.org/index.php/jae/article/view/1637. Acesso em: 19 may. 2026.