Sulaiman, N., M. Mustafa, M. S. Jadin, M. S. Najib, F. Samsuri, A. A. Hadi, and B. L. Wen Xiang. 2018. “Development of Smart Security System for Building or Laboratory Entrance Based on human’s Brain (EEG) and Voice Signals”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (1-3):139-46. https://jtec.utem.edu.my/jtec/article/view/3501.