Muuro, Maina Elizaphan, Waiganjo Peter Wagacha, John Kihoro, and Robert Oboko. “Students’ Perceived Challenges in an Online Collaborative Learning Environment: A Case of Higher Learning Institutions in Nairobi, Kenya”. The International Review of Research in Open and Distributed Learning 15, no. 6 (October 22, 2014). Accessed November 22, 2024. https://www.irrodl.org/index.php/irrodl/article/view/1768.