Jeeravipoolvarn, Charat, Rujchai Ung-arunyawee, and Wasu Chaopanon. 2012. “Hand-Tufted Carpet Simulation by Computer Graphic Techniques”. Engineering and Applied Science Research 34 (2):251-66. https://ph01.tci-thaijo.org/index.php/easr/article/view/1819.