PONYIAM, W.; LENGVITHAYA, C. The Development of Tourism and Tour Guides Laws Under the Tourism Business and Guide Act B.E. 2551. Ph.D. in Social Sciences Journal, [S. l.], v. 11, n. 2, p. 283–294, 2021. Disponível em: https://so05.tci-thaijo.org/index.php/phdssj/article/view/193418. Acesso em: 29 mar. 2024.