Kittithiti, Songkran, and Airawee Wiraphanphong. “Approaches to Enhancing Type 3 Billboard Tax Revenue: A Case Study of Bang Sue District, Bangkok”. Local Administration Journal 18, no. 1 (March 31, 2025): 65–86. accessed September 14, 2026. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/274913.