Educational, social, and economical factors that influenced negatively in the students difficulting them in; speaking the target language during the five years of secondary school at Camilo Zapata Institute - Carvajal Acosta, Aida Cristina | St Clair, George Crisanto | Calero Chavarria, Reyna Carolina St Clair George Crisanto (UNAN, Managua, 2009)
Seminario-(Licenciadas en Ciencias de la Educación con mención en Inglés)-Universidad Nacional Autónoma de Nicaragua