Rosli, A. ., S. . Shahrin, and H. Awang. “A Secure Learning Environment Framework of Virtual Reality Application for TVET Education Using Blockchain Technology”. Multidisciplinary Applied Research and Innovation, vol. 4, no. 1, Jan. 2023, pp. 10-13, https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/9906.