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free resource Scientific Electronic Library Online https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242016000100234&lng=en&nrm=iso&tlng=en
Full text from free resource CORE https://core.ac.uk/reader/190828660?utm_source=linkout
free resource scite Smart Citations https://scite.ai/reports/27050936