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Flores de Pérez, Ana Ruth, Lisseth del Carmen López Salinas, Karla Patricia Mejía, Ana Carolina Ramos de Gómez, and Maunuel alexander Landaverde Castillo. The Awareness of Reading and Listening Proficiency Through a Toefl Practice to Measure Strengths and Weaknesses in the Receptive Skills in Third Year Students of the Modern Languages Major At the Department of Foreign Languages, University of El Salvador, Year 2015.

Flores de Pérez, Ana Ruth, et al. The Awareness of Reading and Listening Proficiency Through a Toefl Practice to Measure Strengths and Weaknesses in the Receptive Skills in Third Year Students of the Modern Languages Major At the Department of Foreign Languages, University of El Salvador, Year 2015.