NIELSEN, Duane M. The Role Of Vocational Education In Effective Manpower Utilization. Journal of Agricultural Education, [S. l.], v. 3, n. 2, p. 11–16, 1962. DOI: 10.5032/jaatea.1962.02011. Disponível em: https://jae-online.org/index.php/jae/article/view/1008. Acesso em: 13 jul. 2024.