Wannasakulcharoen, Mayuree, and Charnnarong Rattanapanakul. “The operational effectiveness of the municipality leaders in Thailand”. Rajapark Journal 14, no. 33 (April 20, 2020): 205–214. accessed April 25, 2025. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/240383.