Trejo Berríos, K. P., Ayala, E. N., Martínez Aguilar, M. T., & Velásquez Benavides, A. C. (2010). Factors related to academic success in students in the 10 th semester in the major of Modern Languages in the University of El Salvador: Teachers, resources, administration and students. San Salvador: Universidad de El Salvador.

Trejo Berríos, Karol Patricia, Edgar Nicolás Ayala, Merlin Tatiana Martínez Aguilar, and Ana Cristina Velásquez Benavides. Factors Related to Academic Success in Students in the 10 Th Semester in the Major of Modern Languages in the University of El Salvador: Teachers, Resources, Administration and Students. San Salvador: Universidad de El Salvador, 2010.

Trejo Berríos, Karol Patricia, Edgar Nicolás Ayala, Merlin Tatiana Martínez Aguilar, and Ana Cristina Velásquez Benavides. Factors Related to Academic Success in Students in the 10 Th Semester in the Major of Modern Languages in the University of El Salvador: Teachers, Resources, Administration and Students. San Salvador: Universidad de El Salvador, 2010.