Artchamnong, T. , Phutthipongchaicharn, T. and Wichairam, S. 2024. Operational Efficiency of Non Sila Subdistrict Municipality Employees Non Sila District Khon Kaen Province: Operational Efficiency of Non Sila Subdistrict Municipality Employees Non Sila District Khon Kaen Province. RATANABUTH JOURNAL. 6, 3 (Dec. 2024), 118–132.