Ancheta Rivas, J. E., Gamero Ortiz, J. R., & Franco Ramos, . R. (2009). Market research on the need of a bachelor of art degree in english-spanish interpretation at the Foreign Languages Department of the University of El Salvador-2009. San Salvador: Universidad de El Salvador.

Ancheta Rivas, Jony Eulalio, José Ricardo Gamero Ortiz, and Rhina Franco Ramos. Market Research On the Need of a Bachelor of Art Degree in English-spanish Interpretation At the Foreign Languages Department of the University of El Salvador-2009. San Salvador: Universidad de El Salvador, 2009.

Ancheta Rivas, Jony Eulalio, José Ricardo Gamero Ortiz, and Rhina Franco Ramos. Market Research On the Need of a Bachelor of Art Degree in English-spanish Interpretation At the Foreign Languages Department of the University of El Salvador-2009. San Salvador: Universidad de El Salvador, 2009.