Krueathep, Weerasak. “Happy Taxation: A Quasi-Experiment to Increase Tax Willingness to Pay through Lottery Prizes in Warin Chamrap Municipality, Ubon Ratchathani”. Local Administration Journal 17, no. 4 (December 28, 2024): 521–539. accessed September 13, 2026. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/273073.