MARX, Adam A.; SIMONSEN, Jon C.; KITCHEL, Tracy. Undergraduate Student Course Engagement and the Influence of Student, Contextual, and Teacher Variables. Journal of Agricultural Education, [S. l.], v. 57, n. 1, p. 212–228, 2016. DOI: 10.5032/jae.2016.01212. Disponível em: https://jae-online.org/index.php/jae/article/view/2382. Acesso em: 24 aug. 2026.