English Ability Assessment for Economic Analysis of Employment and Income in Cambodian Frontline Staff. Journal of Tourism Management Research, [S. l.], v. 3, n. 1, p. 25–36, 2016. DOI: 10.18488/journal.31/2016.3.1/31.1.25.36. Disponível em: https://archive.conscientiabeam.com/index.php/31/article/view/2833. Acesso em: 5 aug. 2026.