JING, W. Integrated Teaching English Speaking for Students Planning to Work in Tourism Business in Greater Mekong Subregion Area. HRD Journal, Chonburi, Thailand, v. 1, n. 1, p. 87–98, 2013. Disponível em: https://so01.tci-thaijo.org/index.php/HRDJ/article/view/11199. Acesso em: 16 sep. 2026.