LIU, Yu-Chia; LU, Cheng-Hsiung; SHRYOCK, Kristi. Hospitality English Curriculum Design by Instructional System Design Theory and Practice. International Journal of English and Education, [S. l.], v. 5, n. 2, p. 301–319, 2016. Disponível em: https://ijee.org/ijee/article/view/637. Acesso em: 7 oct. 2026.