Bagheri Fard, Karamollah, Fakhte Soltani Tafreshi, Mehrbakhsh Nilashi, and Mansooreh Jalalyazdi. “Assessing the Critical Factors for E-Learning Systems Using Fuzzy TOPSIS and Fuzzy Logic”. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 12, no. 6 (February 15, 2014): 3546–3561. Accessed July 3, 2024. https://rajpub.com/index.php/ijct/article/view/3136.