Trong Hieu, Bui, and Kim Sang Bong. “PRECISION POSITION CONTROL FOR PCB SCREEN PRINTER USING IMAGE PROCESSING TECHNIQUE”. VNUHCM Journal of Science and Technology Development 9, no. 12 (December 15, 2006): 23-32. Accessed June 1, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3128.