Scanlife Giselda Costa | September 28, 2015 | | No Comments http://www.scanlife.com/get-the-app About The Author giseldacosta Profª. Drª Giselda dos Santos Costa---Instituto Federal do Piauí - IFPI - Brasil Campus Teresina Zona Sul--/---"Curriculum"--E-mail:--giseldacostas@hotmail.com