Martínez Martínez, F. A. (2011). Methodological strategies and techniques based in the new curricular transformation for improving the speaking skill performance in English as a foreigh language in students of 9th grade ogf La Independencia High School in Rancho Grande during the second. NI: UNAN, Matagalpa,nicaragua.

Martínez Martínez, Francisco Alfredo. Methodological Strategies and Techniques Based in the New Curricular Transformation for Improving the Speaking Skill Performance in English As a Foreigh Language in Students of 9th Grade Ogf La Independencia High School in Rancho Grande During the Second. NI: UNAN, Matagalpa,nicaragua, 2011.

Martínez Martínez, Francisco Alfredo. Methodological Strategies and Techniques Based in the New Curricular Transformation for Improving the Speaking Skill Performance in English As a Foreigh Language in Students of 9th Grade Ogf La Independencia High School in Rancho Grande During the Second. NI: UNAN, Matagalpa,nicaragua, 2011.