JEWELL, Larry R. Differences Between Length Of Employment Contracts Of Vocational Agriculture Teachers And Their Level Of Involvement With FFA Activities. Journal of Agricultural Education, [S. l.], v. 29, n. 1, p. 58–64, 1988. DOI: 10.5032/jaatea.1988.01058. Disponível em: https://jae-online.org/index.php/jae/article/view/767. Acesso em: 13 jul. 2024.