[1]
Joo, K.P., Andrés, C. and Shearer, R. 2014. 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. 15, 6 (Nov. 2014). DOI:https://doi.org/10.19173/irrodl.v15i6.1908.