patchimnan, attakrit, and mana patchimnan. “Study on the Suitability and Impact of the Policy of Increasing Excise Tax on Rolling Tobacco”. King Prajadhipok’s Institute Journal 18, no. 3 (January 11, 2021): 102–121. Accessed May 9, 2024. https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/246836.