Choong, W. Y., W. Khairunizam, M. I. Omar, M. Murugappan, A. H. Abdullah, H. Ali, and S. Z. Bong. 2018. “EEG-Based Emotion Assessment Using Detrended Flunctuation Analysis (DFA)”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (1-13):105-9. https://jtec.utem.edu.my/jtec/article/view/4132.