Oktaviandri, Muchamad, and Kah Keat Foong. “Design and Development of Visitor Management System”. Mekatronika: Journal of Intelligent Manufacturing and Mechatronics 1, no. 1 (January 31, 2019): 73–79. Accessed November 22, 2024. https://journal.ump.edu.my/mekatronika/article/view/152.