Breivik, Jens. 2016. “Critical Thinking in Online Educational Discussions Measured As Progress through Inquiry Phases: A Discussion of the Cognitive Presence Construct in the Community of Inquiry Framework”. International Journal of E-Learning & Distance Education Revue Internationale Du E-Learning Et La Formation à Distance 31 (1). https://www.ijede.ca/index.php/jde/article/view/970.