Nanthasamreong, N., P. Payatham, and M. Suwandee. “An Application of Lean Six Sigma Logistics for an Improvement for Supplies Warehouse in a Body & Paint Repairing Center”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal), vol. 14, no. 2, July 2021, pp. 14-27, https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/244243.