Yuen, Whei Chung, Gin Chong Lee, and Hock Kheng Sim. “Development of AI-Enabled Contactless Visitor Access Monitoring System”. International Journal on Robotics, Automation and Sciences 5, no. 2 (September 30, 2023): 1–13. Accessed May 15, 2024. https://journals.mmupress.com/index.php/ijoras/article/view/634.