Ghazali, R., C. Soon, Z. Has, S. Hassan, and D. Hanafi. “The Effectiveness of Blended Learning Approach With Student’s Perceptions in Control Systems Engineering Course”. International Journal of Human and Technology Interaction (IJHaTI), vol. 2, no. 2 October, Oct. 2018, pp. 103-8, https://ijhati.utem.edu.my/ijhati/article/view/4746.