Ramos, C. Y., Guillén Landaverde, G. I., Quintanilla Saravia, R. F., Franco Ramos, R., & Ricardo Garay Salinas. (2011). Diagnosis of teaching methodology when dealing with large classes San Salvado, University of El Salvador – Foreign Languages Department English Intermediate I (Groups 01, 05 and 07) semester 02/2010. San Salvador, El Salvador: [publicador no identificado].

Ramos, Claudia Yanet,, Gendry Isai Guillén Landaverde, Rene Francisco Quintanilla Saravia, Rhina Franco Ramos, and Ricardo Garay Salinas. Diagnosis of Teaching Methodology When Dealing With Large Classes San Salvado, University of El Salvador – Foreign Languages Department English Intermediate I (Groups 01, 05 and 07) Semester 02/2010. San Salvador, El Salvador: [publicador no identificado], 2011.

Ramos, Claudia Yanet,, et al. Diagnosis of Teaching Methodology When Dealing With Large Classes San Salvado, University of El Salvador – Foreign Languages Department English Intermediate I (Groups 01, 05 and 07) Semester 02/2010. San Salvador, El Salvador: [publicador no identificado], 2011.