@book{46599,
	author = {Strauss, Anselm, and Corbin, Juliet,},
	title = {Bases de la investigación cualitativa :},
	publisher = {Universidad de Antioquia, Facultad de Enfermería,},
	year = {2002.},
	series = {Contus},
	address = {Medellín :}
}