Chaves Agüero, J., Gamboa Sánchez, B., Barrantes Elizondo, L., Zúñiga Vargas, L., & Méndez Valverde, J. M. (2015). Analysis of the listening instruction of second cycle EFL students at Peñas Blancas Primary School: A research study. Pérez Zeledón, C.R.: J. Chaves A..

Chaves Agüero, Johanna,, Beatriz Gamboa Sánchez, Lena Barrantes Elizondo, Lesly Zúñiga Vargas, and Juan Manuel Méndez Valverde. Analysis of the Listening Instruction of Second Cycle EFL Students At Peñas Blancas Primary School: A Research Study. Pérez Zeledón, C.R.: J. Chaves A., 2015.

Chaves Agüero, Johanna,, et al. Analysis of the Listening Instruction of Second Cycle EFL Students At Peñas Blancas Primary School: A Research Study. Pérez Zeledón, C.R.: J. Chaves A., 2015.