Huỳnh Nguyễn Hoàng, and Hồ Minh Phương. “Designing, Manufacturing Robot for Climbing Walls and Ceilings”. Journal of Technical Education Science 7, no. 4 (December 27, 2012): 28–36. Accessed April 7, 2026. https://www.jte.edu.vn/index.php/jte/article/view/638.