Dokchan, W., W. Wongdee, and P. Narktrakul. “APPLYING LEAN PRINCIPLES TO REDUCE COST OF ROOF TRUSS INSTALLATION”. Journal of Buddhist Anthropology, vol. 7, no. 11, Nov. 2022, pp. 495-09, https://so04.tci-thaijo.org/index.php/JSBA/article/view/262060.