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Items where Author is "Cuéllar Escalante, Gerson Josué"
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Cuéllar Escalante, Gerson Josué and Nunfio Durán, Jonathan Adolfo and Solórzano Quintanilla, Nelson José and Varela Quintana, Ana Patricia (2018) The incorporation of collaborative learning strategies to enhance ninth grade students’ vocabulary at C.E.INSA, Santa Ana during year 2017. Other thesis, Universidad de El Salvador.