Najarro Barahona, M. Y., Hernández Reyes, C. R., Salmerón Casco, J. R., Oliva, I., & Sibrián, R. A. (2008). Evaluation and testing in the Foreign Language Department of the UES. San Salvador: Universidad de El Salvador.

Najarro Barahona, Maira Yesenia, Carlos Roberto Hernández Reyes, José Roberto Salmerón Casco, Israel Oliva, and Rodolfo Alexander Sibrián. Evaluation and Testing in the Foreign Language Department of the UES. San Salvador: Universidad de El Salvador, 2008.

Najarro Barahona, Maira Yesenia, et al. Evaluation and Testing in the Foreign Language Department of the UES. San Salvador: Universidad de El Salvador, 2008.