Items where Author is "Portillo Hernández, Boanerges Eliseo"
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Coto Osorio, Laura Tatiana and Méndez Olmo, Cesar Alexander and Portillo Hernández, Boanerges Eliseo (2020) Description of the English proficiency level achieved by the students of the bachelor in psychology after having taken English I in semester I, 2019, at the university of El Salvador. Bachelor thesis, Universidad de El Salvador.