Mavropoulos, Azarias, Anastasia Pampouri, and Konstantina Kiriatzakou. “Adults’ Motives and Barriers of Participation in Mixed and Asynchronous Learning Training Programs”. Journal of e-Learning and Knowledge Society 17, no. 1 (June 22, 2021): 29-38. Accessed October 17, 2021. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/1135256.