Vacacela, D.L.A. and Ramirez, M.R. 2020. Self-awareness Strategy Using Podcasting to Improve Tense and Lax Vowel Pronunciation Sounds in Beginner EFL-Adult Learners. Journal of Foreign Language Teaching and Learning. 5, 1 (Jan. 2020), 79–98. DOI:https://doi.org/10.18196/ftl.5148.