P. 39–44,Jan./Feb.; Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2011-11-16T11:36:39Z No. of bitstreams: 1 08.pdf: 112922 bytes, checksum: 72543ea2e766b2c72fb84ac2bc8a22b4 (MD5); Made available in DSpace on 2011-11-16T11:36:39Z (GMT). No. of bitstreams: 1 08.pdf: 112922 bytes, checksum: 72543ea2e766b2c72fb84ac2bc8a22b4 (MD5) Previous issue date: 2007; OBJETIVO: O objetivo principal deste trabalh...