Hussain, A., E. O. Mkpojiogu, and F. Mohmad Kamal. “A Systematic Review on Usability Evaluation Methods for M-Commerce Apps”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 8, no. 10, Dec. 2016, pp. 29-34, https://jtec.utem.edu.my/jtec/article/view/1361.