The first decade of the community of inquiry framework: A retrospective. Anderson T. DR Garrison, T Anderson, W Archer - The internet and higher education, 2010 - Elsevier GSID: BydwphqXOacJ
Online education and its effective practice: A research review. Chen X, Sun A. A Sun, X Chen - Journal of Information Technology Education, 2016 - researchgate.net GSID: MO-e-_WvD0MJ