Jimenez, Alvaro José and Picado, Henry Wilner and Fonseca, Tatiana Bersay (2021) The role that Non-verbal skills have in the development of listening skills in the 7th grade B of Emmanuel Mongalo public high school, afternoon shift, located in Matagalpa city, during the Second Semester,2020. Otra thesis, Universidad Nacional Autónoma de Nicaragua,Managua.