Lee, M. F., Mat Yusoff, S. N., Tan, K. H. and Lim, & J. S. C. (2019) “Needham Model Based Instructional Multimedia Material for Teaching Digital Logic Gates”, Journal of Technical Education and Training, 11(1). Available at: https://publisher.uthm.edu.my/ojs/index.php/JTET/article/view/3063 (Accessed: 7 July 2022).