รัตนสัค ธ. “THE CHANGES OF WORKING PROCEDURES AND PUBLIC SERVICE DELIVERY PROCESS OF REGIONAL PUBLIC ORGANIZATIONS IN CHIANG MAI PROVINCE TO COMPLY WITH THE POLICY ON CITIZEN-CENTERED GOVERNANCE”. Sripatum Review of Humanities and Social Sciences, vol. 12, no. 2, Mar. 2018, pp. 85-96, https://so05.tci-thaijo.org/index.php/spurhs/article/view/117191.