Ngā tūemi rite: Chemistry /
- A Study of the effects of the changes adopted in the 2002 curruculum of the Licenciatura en Idioma Inglés-Opción Enseñanza at the western Multidisciplinary Campus of the University of El Salvador . /
- English pronunciation : A practical handbook for the foreing learner /
- The impact of english for specific purposes (esp) methodology on the students' reading comprehension: case of students of technical english II at the School of Chemistry and Pharmacy, University of El Salvador, semester II, year 2015
- The application of technology at the Foreign Language Department of the University of El Salvador and its effects on supporting english and french learning of second year students Majoring in Modern Languages during semester II 2019
- Ready for work. Senior course: Studet`s Book 3. /
- Scope: Senior Course; Teacher`s book for book 3. /