FERRER , L. Z. M. .; SANTOS, L. M. . A A Sequential-Explanatory Study on Students’ Attitudes and Instructors’ Use of Authentic Materials in Purposive Communication Lessons. Instabright International Journal of Multidisciplinary Research, [S. l.], v. 7, n. 1, p. 01–27, 2026. DOI: 10.52877/instabright.007.01.0300. Disponível em: https://instabright.online/index.php/journal/article/view/300. Acesso em: 23 aug. 2026.