López Hernández, K. J., Laínez Vanegas, I. J., Barahona, W. E., Alvarado, J. M., & Contreras, M. Factors that make an impact on the English proficiency of students in Intermediate and advanced English II courses of the foreign Language Department of the University of El Salvador during semester I /2017.

López Hernández, Karla Jeannette, Isaac Jacob Laínez Vanegas, Walter Ernesto Barahona, José Matthew Alvarado, and Mauricio Contreras. Factors That Make an Impact On the English Proficiency of Students in Intermediate and Advanced English II Courses of the Foreign Language Department of the University of El Salvador During Semester I /2017.

López Hernández, Karla Jeannette, et al. Factors That Make an Impact On the English Proficiency of Students in Intermediate and Advanced English II Courses of the Foreign Language Department of the University of El Salvador During Semester I /2017.