@book{934,
	author = {Asti Vera, Armando},
	title = {Metodología de la investigación},
	publisher = {Kapelusz},
	year = {1973},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Metodologia de la  Investigacion.jpg}
}