SUKSIRIPAKONCHAI, W. ICAO Language Proficiency Requirements and Training Guidance for Thailand. Journal of Multidisciplinary in Social Sciences, Bangkok, Thailand, v. 8, n. 1, p. 175–184, 2013. Disponível em: https://so03.tci-thaijo.org/index.php/sduhs/article/view/5111. Acesso em: 20 may. 2024.