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Meléndez Jiménez, Elvin Antonio and Franco Echaverry, Alipza Argentina (2015) Didactics Innovation of the English Language Teaching in the Speaking Skill with Emphasis on the Creation of an Audio-Visual Video to Decrease the Lack of Vocabulary of Students from 10th grade “A”in the San Juan De Oriente Institute at San Juan De Oriente-Masaya from March to November 2015. Otra thesis, Universidad Nacional Autónoma de Nicaragua, Managua.