Arèvalo Martìnez, A. J., Estrada Sulìn, G. J., Figueroa Peñate, L. B., Lima Solìs, J. M., Meléndez, C. E., & Rivera Estrada, M. E. (2015). Enhancing the listening skill of basic english students of Profesorado en Idioma Inglès para tercer ciclo de educaciòn bàsica y educaciòn media by using multimedia resources at The Western Multidisciplinary Campus of The University of El Salvador during semester I, 2015. Santa Ana, El Salvador: Universidad de El Salvador.

Arèvalo Martìnez, Alba Jeaneth, Gerardo Joel Estrada Sulìn, Lucila Beatriz Figueroa Peñate, Josselyn Mariela Lima Solìs, Cristian Enrique Meléndez, and Manuel Ernesto Rivera Estrada. Enhancing the Listening Skill of Basic English Students of Profesorado En Idioma Inglès Para Tercer Ciclo De Educaciòn Bàsica Y Educaciòn Media By Using Multimedia Resources At The Western Multidisciplinary Campus of The University of El Salvador During Semester I, 2015. Santa Ana, El Salvador: Universidad de El Salvador, 2015.

Arèvalo Martìnez, Alba Jeaneth, et al. Enhancing the Listening Skill of Basic English Students of Profesorado En Idioma Inglès Para Tercer Ciclo De Educaciòn Bàsica Y Educaciòn Media By Using Multimedia Resources At The Western Multidisciplinary Campus of The University of El Salvador During Semester I, 2015. Santa Ana, El Salvador: Universidad de El Salvador, 2015.