wangsunntorn, kongpob, and sangkorn suwannarat. “Local Strategic Development Plan and Community Strength in Upper North of Thailand”. King Prajadhipok’s Institute Journal 12, no. 3 (September 8, 2020): 123–146. Accessed August 12, 2022. https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/244319.