@book{1678,
	author = {Asti Vera, Armando},
	title = {Metodología de la investigación.},
	publisher = {Kapelusz, },
	year = {1973.},
	series = {Biblioteca de cultura pedagógica.},
	address = {Buenos Aires : },
	edition = {1ra.ed.},
	note = {Bibliografía p.192.}
}