HANAGRIFF, Roger D.; RAYFIELD, John; BRIERS, Gary; MURPHY, Tim. Economic Impacts and Program Involvement in Agricultural Mechanics Competition Projects in Texas. Journal of Agricultural Education, [S. l.], v. 55, n. 2, p. 79–90, 2014. DOI: 10.5032/jae.2014.02079. Disponível em: https://jae-online.org/index.php/jae/article/view/385. Acesso em: 9 aug. 2024.