Chaiman, Surin. 2019. “Effectiveness of the weight adjustment for inpatient payment in the Health region 1 for community hospital under Phayao Provincial Health Office”. Journal of Disease and Health Risk DPC.3 13 (1). Nakhon Sawan, Thailand:48-59. https://he01.tci-thaijo.org/index.php/JDPC3/article/view/208520.