SAHATSATHATSANA, S.; SINGBAN, S. .; ROSDEE, K. .; WARY, J. . Foreign Visitors’ Satisfaction towards English Oral Communication with Thai Vendors in Khon Kaen Province. Journal of English Language and Linguistics , Buriram, Thailand, v. 4, n. 1, p. 30–45, 2023. DOI: 10.14456/jel.2023.7. Disponível em: https://so17.tci-thaijo.org/index.php/JEL/article/view/27. Acesso em: 1 jul. 2025.