A. A. Md Sahak, M. Md Yunus, A. W. Abdul Rahman, H. Harun, M. Marwanti, and N. A. I. A. Tukiran, “The Usage of Mobile Application to Teach Practical Skills among Catering Students”, Jurnal Pendidikan Teknologi dan Kejuruan, vol. 25, no. 1, pp. 31–35, Apr. 2019.