SUPPACHAI CHANWANAKUL, PH.D. English Language Proficiency of Tour Guides at a Historical Attraction. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 13, p. 1905–1910, 2021. DOI: 10.17762/turcomat.v12i13.8844. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/8844. Acesso em: 3 may. 2024.