นาคปาน บ., & วงศ์เจริญแสงสิริ บ. (2020). Applications of the Deming Cycle (PDCA) and the Lean Management System to Improve the Process of the Electric Appliances Repair System Case Study of the ABC Company, Limited. MBA-KKU Journal, 13(1), 108–129. retrieved from https://so04.tci-thaijo.org/index.php/mbakkujournal/article/view/242770