Kammoon, Weerapong, and Jirapon Promphoonga. 2026. “The Application of Good Governance Principles to Enhance Fiscal Management Efficiency of Sub-district Municipalities in Kamala Sai District, Kalasin Province: The Application of Good Governance Principles to Enhance Fiscal Management Efficiency of Sub-district Municipalities in Kamala Sai District, Kalasin Province”. RATANABUTH JOURNAL 8 (1). Yasothon, Thailand:485-97. https://so07.tci-thaijo.org/index.php/rtnb/article/view/10721.