Thongduang, T., E. Kanchanapen, C. Kaewdee, W. Sudsomboon, and W. Pansrinual. “Improving Efficiency in the Shelf Manufacturing Process”. Academic Journal of Industrial Technology Innovation, vol. 1, no. 1, Apr. 2023, pp. 26-32, https://ph03.tci-thaijo.org/index.php/AJITI/article/view/2522.