ROMAGNUOLO, A. Challenges and Opportunities of Developing an ESP University Course without a Textbook – a multiple case study. Advances in Social Sciences Research Journal, [S. l.], v. 7, n. 6, p. 56–68, 2020. DOI: 10.14738/assrj.76.8362. Disponível em: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/8362. Acesso em: 23 apr. 2024.