Olapiriyakul, Sun, and Tawanchai Phohom. “Simulation modeling and analysis of the outpatient clinic of the college of medicine and public health, Ubon Ratchathani university”. Asia-Pacific Journal of Science and Technology 19, no. 1 (April 12, 2017): 82–91. accessed April 22, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/82901.