JOO, K. P.; ANDRÉS, Carmen; SHEARER, Rick. Promoting distance learners’ cognitive engagement and learning outcomes: Design-based research in the Costa Rican National University of Distance Education. The International Review of Research in Open and Distributed Learning, [S. l.], v. 15, n. 6, 2014. DOI: 10.19173/irrodl.v15i6.1908. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1908. Acesso em: 1 may. 2024.