Arévalo Henríquez, Ena Julissa and Galán Torres, Heidi Astrid and Orellana Padilla, Roxana Esmeralda and Velásquez Castro, Néstor Patricio and Vides López, Mónica Beatriz (2019) Video presentations, self video recordings and video story telling implementation to improve oral performance of second year of high school english students section “J” at Centro Escolar INSA in the year 2019. Bachelor thesis, Universidad de El Salvador.