Name	Info	Provider	Link
	free resource	Scientific Electronic Library Online	https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-81232016000100273&lng=en&nrm=iso&tlng=en
	free resource	scite Smart Citations	https://scite.ai/reports/26816184
Full Text from	free resource	Universidad Autonoma de Madrid Biblos-e Archivo	http://hdl.handle.net/10486/676683