Eamsopana, Pichit. 2022. “Eighteen Months of Income Elasticity of the Government Lottery After the Introduction of the Eighty-Baht Lottery Policy: A Preliminary Analysis”. Siam University Journal of Business Administration 17 (29). Bangkok, Thailand:19-30. https://so07.tci-thaijo.org/index.php/sujba/article/view/869.