CHEN, Cheng-Chia (Brian). Gamify Online Courses with Tools Built into Your Learning Management System (LMS) to Enhance Self-Determined and Active Learning. Online Learning, Boston, MA, v. 22, n. 3, 2018. DOI: 10.24059/olj.v22i3.1466. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1466. Acesso em: 30 mar. 2026.