Strudwick, K., J. Jameson, J. Gordon, K. Brookfield, C. McKane, and G. Pengelly. “Understanding the Gap - to Participate or Not? Evaluating Student Engagement and Active Participation”. Student Engagement in Higher Education Journal, vol. 1, no. 2, Nov. 2017, p. 81, https://sehej.raise-network.com/raise/article/view/strudwick.