Tansukanun, Pranom, and Monsicha Bejarananda. 2013. “The Life of Khon Kaen – Cognition or Morphology? Lessons from a Regional City of Thailand”. Journal of Mekong Societies 8 (1):19-46. https://so03.tci-thaijo.org/index.php/mekongjournal/article/view/6113.