Sablina, S., N. Kapliy, A. Trusevich, and S. Kostikova. “How MOOC-Takers Estimate Learning Success: Retrospective Reflection of Perceived Benefits”. The International Review of Research in Open and Distributed Learning, Vol. 19, no. 5, Nov. 2018, doi:10.19173/irrodl.v19i5.3768.