Powtoon Giselda Costa | October 27, 2015 | | No Comments Fazer slide animado http://www.powtoon.com/ 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