@book{3323,
	author = {Gutiérrez Pérez, Francisco.  and Prieto Castillo, Daniel.},
	title = {La mediación pedagogica : },
	publisher = {Radio Nederland Trainin Centre, División de Radio Nederland Internacional, },
	year = {impresión 1993.},
	address = {San José, Costa Rica : },
	edition = {1a. ed.}
}