Nasution, Salhazan, and Syachrodi. “PINDIT: An Online Digital Signage at Department of Electrical Engineering, University of Riau”. International Journal of Electrical, Energy and Power System Engineering 4, no. 1 (February 28, 2021): 113-120. Accessed April 19, 2024. https://ijeepse.ejournal.unri.ac.id/journal/index.php/ijeepse/article/view/65.