Rosales Quiros, Seydi Ernestina and Calderón, Roger Enmanuelle and Espinoza Berrios, Katherine Abigail (2017) The implementation of a workbook with songs to develop the listening skill in order to understand the main idea from a text, with students of 11th grade “A”, morning shift, at the National Institute Juan Jose Rodriguez in the second semester 2017. Otra thesis, Universidad Nacional Autónoma de Nicaragua.