WILLGING, Pedro A.; JOHNSON, Scott D. FACTORS THAT INFLUENCE STUDENTS’ DECISION TO DROPOUT OF ONLINE COURSES. Online Learning, Boston, MA, v. 8, n. 4, 2019. DOI: 10.24059/olj.v8i4.1814. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1814. Acesso em: 25 mar. 2026.