@book{3218,
	author = {Dos Santos Filho, José Camilo and SANCHEZ GAMBOA, SILVIO ANCIZAR},
	title = {Investigación educativa cantidad - cualidad : },
	publisher = {Cooperativa Editorial Magisterio},
	year = {1997},
	series = {Colección Mesa Redonda},
	address = {Bogotá}
}