Brown, Judith O. “Dwell in Possibility: PLAR and E-Portfolios in the Age of Information and Communication Technologies”. The International Review of Research in Open and Distributed Learning 12, no. 1 (January 31, 2011): 1–23. Accessed July 22, 2024. https://www.irrodl.org/index.php/irrodl/article/view/917.