Items where Author is "Ruiz Gutiérrez, Heysel"

Jaenz Cruz, Erick and Ruiz Gutiérrez, Heysel (2013) Diagnosys of difficulties in learning pronunciation as a second language in the students of third year at Miguel de Cervantes Saavedra School, in the first semester of 2013. Otra thesis, Universidad Nacional Autónoma de Nicaragua, Managua.