Page 1 Page 2 Page 3 Page 4 Page 5 http://www.google.com.br/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCPeu8qWc2ccCFYSUkAodfigOBg&url=http%3A%2F%2Fwww.r-bloggers.com%2Fprogress-bars-in-r-using-winprogressbar%2F&psig=AFQjCNEnqoqBHtRgfCbyyZhfR0XV8KtSpQ&ust=1441313208771743Page 6 Page 7 https://github.com/apbertoletti/Pronatec https://github.com/apbertoletti/PronatecPage 8