Ferrer , Luzia Zandra M., and Lovie M. Santos. 2026. “A A Sequential-Explanatory Study on Students’ Attitudes and Instructors’ Use of Authentic Materials in Purposive Communication Lessons”. Instabright International Journal of Multidisciplinary Research 7 (1):01-27. https://doi.org/10.52877/instabright.007.01.0300.