Quoc Tuan Hoang, Xuan Thang Trinh, Xuan Cong Nguyen, and Gia Thinh Bui. “SMART AUTOMATIC PARKING SYSTEM USING ROBOT”. Journal of Applied Science and Technology, Vol. 31, Mar. 2022, pp. 111-5, http://jst.utehy.edu.vn/index.php/jst/article/view/487.