publicaciones seleccionadas artículo académico Older adults' perceptions about methodologies used to learn English as a foreign language. CUADERNOS DE INVESTIGACION EDUCATIVA. 16(2):1-25. 2025 The Contribution of the Tandem App on Tourism Undergraduates' Speaking Fluency in English. COLOMBIAN APPLIED LINGUISTICS JOURNAL. 26(1):62-77. 2024 The use of TikTok to improve first year undergraduates' speaking accuracy. INNOVACIONES EDUCATIVAS. 26(41):7-24. 2024 Predominant learning styles in older adults: a first approach. PERSPECTIVA EDUCACIONAL. 61(1):181-195. 2022 Undergraduates' Critical Thinking Skills Development Through the Use of Short Animated Videos during the COVID-19 pandemic. REVISTA COMUNICACION. 32(2):35-50. 2022 Inservice teachers of English' pedagogical knowledge and their perceived need of training. ACTUALIDADES INVESTIGATIVAS EN EDUCACION. 19(2):1-26. 2019 Smartphone screen recording apps: An effective tool to enhance fluency in the english language. COLOMBIAN APPLIED LINGUISTICS JOURNAL. 21(2):1-48. 2019 Diseño Curricular en la Universidad de Concepción: La Experiencia de las Carreras de Formación Inicial Docente. CALIDAD EN LA EDUCACION. 44:301-323. 2016 Measurementof Listening and Reading Comprehension Skills in Students ofEnglish Pedagogy in a Chilean University. REVISTA ELECTRONICA EDUCARE (EDUCARE ELECTRONIC JOURNAL). 20(1):1-21. 2016