041: aEsp.

090: aSEM-EDU-1239

245: aUse of stratiegies to improve the speaking skill in the english Language from the first-grade students of centro educativo Petén, located in Santa Elena Flores, Petén, period 2019.--

260: aGuatemala :bUpana,c2020.

502: aUniversity Profesor Specialized in English Language. Universidad Panamericana.

700: aCruz Marroquin, Reyna JanetheAutor