ZHANG, Weiyuan; CHENG, Yau Ling. Quality assurance in e-learning: PDPP evaluation model and its application. The International Review of Research in Open and Distributed Learning, [S. l.], v. 13, n. 3, p. 66–82, 2012. DOI: 10.19173/irrodl.v13i3.1181. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1181. Acesso em: 29 mar. 2024.