Eka, W. D., S. A. Mohammoda, and T. Hagos. “The Role of Stakeholders’ Seniority, Perception and Attitude on the Implementation of Collaborative Learning in Samara University”. The International Journal of Humanities & Social Studies, vol. 5, no. 1, Jan. 2017, https://internationaljournalcorner.com/index.php/theijhss/article/view/125218.