Moulay Taj, A., A. Abouhilal, N. Taifi, J. Antari, and A. Malaoui. “Low-Cost Smart Architecture for Classroom Response System Using Raspberry: RaspCRS”. International Journal of Engineering & Technology 8, no. 1.11 (March 1, 2019): 78–83. Accessed May 7, 2024. https://sciencepubco.com/index.php/ijet/article/view/28094.