Martínez Espinoza, Carla Vanessa and Lumbi Sandoval, Dara Mileydi (2013) Effectiveness of children’s songs as a pedagogical tool to develop the listening and speaking skills on first-grade students at Germán Pomaresschool in San Sebastián de Yali municipality during the second semester 2020. Licenciatura thesis, Universidad Nacional Autónoma de Nicaragua, Managua.