https://www.uricer.edu.br/site/pdfs/perspectiva/161_750.pdf

https://portal.unisepe.com.br/unifia/wp-content/uploads/sites/10001/2019/11/COL%C3%81GENO-HIDROLISADO-NO-COMBATE-AO-ENVELHECIMENTO-CUT%C3%82NEO-.pdf

https://siaibib01.univali.br/pdf/Mariluci%20Caye%20e%20Sonia%20Rodrigues.pdf

https://www.scielo.br/j/abd/a/hgLDMrqkx63MpNKC8XH5TzG/