PERRY, Dustin K.; WILLIAMS, Robert E.; ANDERSON, Ryan G. Safety Conditions and Practices in Secondary Agricultural Mechanics Programs. Journal of Agricultural Systems, Technology, and Management, [S. l.], v. 23, n. 1, 2012. Disponível em: https://jastm.org/index.php/jastm/article/view/11801. Acesso em: 19 may. 2026.