Kluaymai Sumung ก. . ส.; Phitak Siriwong พ. . ศ. The Story of the Professional Thai Tour Guides. Dusit Thani College Journal, [S. l.], v. 11, n. special, p. 158–170, 2018. Disponível em: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/136129. Acesso em: 24 may. 2024.