Sandoval Nolasco, D. F., Campos Mèndez, N. G., Castillo Lico, V. M., Hernàndez Ruiz, M. A., Linares Axume, À. A., & Lucero Palma, E. W. (2015). A study of the natural approach to develop the listening comprehension skill of French II students at the The Western Multidisciplinary Campus of The University of El Salvador, 2015. Santa Ana, El Salvador: Universidad de El Salvador.

Sandoval Nolasco, Darwin Francisco, Nubia Gabriela Campos Mèndez, Veraliz Marilù Castillo Lico, Miguel Alexander Hernàndez Ruiz, Àngel Abilio Linares Axume, and Ever Wilfredo Lucero Palma. A Study of the Natural Approach to Develop the Listening Comprehension Skill of French II Students At the The Western Multidisciplinary Campus of The University of El Salvador, 2015. Santa Ana, El Salvador: Universidad de El Salvador, 2015.

Sandoval Nolasco, Darwin Francisco, et al. A Study of the Natural Approach to Develop the Listening Comprehension Skill of French II Students At the The Western Multidisciplinary Campus of The University of El Salvador, 2015. Santa Ana, El Salvador: Universidad de El Salvador, 2015.