Beltrán Lizama, G. A., Gómez Corcios, A. l., Torres, S. R., Rodriguez Argueta, F. A., & Landaverde Castillo, M. A. The impact of accelerated learning in the english language learning process in ninth graders at Centro Escolar Dr. Doroteo Vasconcelos, year 2015.

Beltrán Lizama, Guillermo Armando, Alba lissette Gómez Corcios, Sara Raquel Torres, Francisco Antonio Rodriguez Argueta, and Manuel Alexander Landaverde Castillo. The Impact of Accelerated Learning in the English Language Learning Process in Ninth Graders At Centro Escolar Dr. Doroteo Vasconcelos, Year 2015.

Beltrán Lizama, Guillermo Armando, et al. The Impact of Accelerated Learning in the English Language Learning Process in Ninth Graders At Centro Escolar Dr. Doroteo Vasconcelos, Year 2015.