Hapini Awang, Zahurin Mat Aji and Wan Rozaini Sheik Osman (2018) “DATA CLEANING FOR THE EVALUATION OF VIRTUAL LEARNING ENVIRONMENT SUCCESS AMONG TEACHERS”, JOURNAL INFORMATION AND TECHNOLOGY MANAGEMENT (JISTM), 3(8), pp. 57–66. Available at: https://gaexcellence.com/jistm/article/view/1043 (Accessed: 21 June 2025).