Pakamas Chairatana ผ. ช.; Chawalee Na Thalang ช. ณ. ถ. Potential of Tourism Resources in Udon Thani Province. Dusit Thani College Journal, [S. l.], v. 11, n. 2, p. 124–142, 2018. Disponível em: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/119957. Acesso em: 20 may. 2024.