Gap between MOOC Designers' and MOOC Learners' Perspectives on Interaction and Experiences in MOOCs: Findings from the Global MOOC Quality Survey. - Christian M. Stracke; Esther Tan; Antonio Moreira Teixeira; Maria do Carmo Texeira Pinto; Bill Vassiliadis; Achilles Kameas; Cleo Sgouropoulou (ICALT, 2018)