Sedek, M., R. Mahmud, A. Jalil, and M. Daud. “Relationship of the Utilization of Ubiquitous Technology and Technology Competency Among Undergraduates in Malaysian Technical Universities”. Journal of Engineering and Technology (JET), vol. 4, no. 1, June 2013, pp. 13-26, https://jet.utem.edu.my/jet/article/view/156.