Comparison of the failure rate in the english subject and the causes for these failures among students of the 11th grade (5th year) of the commerce, letters and science tracts of the Instituto Urraca. A study conducted in Santiago, Veraguas province - Hayes, Caroline D. (Panamá : Centro Regional Universitario de Veraguas, Vicerrectoría de Investigación y Postgrado, 2002)
En: UP- RID
Keywords: LENGUA INGLESA- -- ESTUDIO Y ENSEÑANZA; EDUCACION SECUNDARIA- -- PLANES DE ESTUDIO