Oassim-Al-shboul, Oassim Mahmoud, et al. “Professors’ Perceptions of Distance Education in Virtual Environments: The Case of the Education Faculty of University of Al-Yarmouk (Jordan)”. Digital Education Review, no. 28, Jan. 2016, pp. 142-6, https://raco.cat/index.php/DER/article/view/302838.