Phiophong ฺ. EFFICIENCY OF PUBLIC SERVICES ACCORDING TO THE PRINCIPLE OF ITTHIPADA 4 IN NONSILA SUB-DISTRICT MUNICIPALITY NONSILA DISTRICT KHON KAEN PROVINCE. jhsmbuisc [Internet]. 2024 Apr. 18 [cited 2024 May 17];5(1):66-78. Available from: https://so06.tci-thaijo.org/index.php/jhsmbuisc/article/view/268820