คงคุ้ม นิตยา, and เพียรขุนทด อจิรภาส์. “PREVENTION AND SUPPRESSION OF ILLEGAL MIGRANT WORKERS IN KHON KAEN PROVINCE: THE PERSPECTIVE OF GOVERNMENT OFFICIALS”. Journal of MCU Nakhondhat 6, no. 10 (January 22, 2020): 5498–5515. accessed October 7, 2026. https://so03.tci-thaijo.org/index.php/JMND/article/view/227482.