Submitted by Salete Teofilo (salete@unifor.br) on 2016-06-03T20:44:24Z No. of bitstreams: 1 Dissertação.pdf: 1677835 bytes, checksum: 58bfcfd6c947c13f70ad042212928cb6 (MD5); Made available in DSpace on 2016-06-03T20:44:24Z (GMT). No. of bitstreams: 1 Dissertação.pdf: 1677835 bytes, checksum: 58bfcfd6c947c13f70ad042212928cb6 (MD5) Previous issue date: 2015-12-16; The starting point that conducted us to this rese...