APA Citation

Valenzuela Arce, N., & Álvarez Martínez, G. (2013). Historical Echoes of Teaching English in Primary School in Costa Rica PPEIEP: 1979-1987.

Chicago Style Citation

Valenzuela Arce, Nandayure, and Gustavo Álvarez Martínez. Historical Echoes of Teaching English in Primary School in Costa Rica PPEIEP: 1979-1987. 2013.

MLA Citation

Valenzuela Arce, Nandayure, and Gustavo Álvarez Martínez. Historical Echoes of Teaching English in Primary School in Costa Rica PPEIEP: 1979-1987. 2013.

Warning: These citations may not always be 100% accurate.