Ruanggoon, Jirapong, Preecha Pornpayuhakeit, and Pakorn Opasvitayarux. “Application of lean concepts to improve consumable disbursement process to reduce waiting time in a public hospital in Bangkok”. RMUTSB ACADEMIC JOURNAL (HUMANITIES AND SOCIAL SCIENCES) 8, no. 2 (December 27, 2023): 192–205. accessed April 24, 2025. https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/264002.