Contreras Cárcamo, Mauricio SalvadorCarranza Campos, Miguel ÁngelLúe Gómez, Leonel AntonioOrtíz García, Carmen MaricelaTadeo Tadeo, Dora Patricia2024-01-292024-01-292021-09-17https://hdl.handle.net/20.500.14492/13720This research is a bibliographical work which aims at finding out the factors that affected the pronunciation of English as a Foreign Language students from the B.A. in English Language Teaching at the Foreign Language Department. As well, this work describes how the internal and external factors affected directly in the communicative competences of the students. In fact, it presents the most common sound pronunciation issues faced by students from 2014 to 2018.. In addition, it suggests resources and strategies that could help students to improve their oral proficiency by themselves. These resources and strategies might be profitable for the students to continue developing their oral language skill along their major. Finally, the methodology used in this research is the Qualitative Research Approach, the type of study is Descriptive Bibliographic Research, and the Research Design is Non-experimental, Cross Sectional. This research was carried out using prior information and data collected from 2014 to 2018 in research works done by former undergraduate students of majors related with linguistics and the development of oral proficiency. Key words: Bibliographic research ; Internal factors ; External factors.es-SVBibliographic researchinternal factorsexternal factors420Thesis