About the Authors

Milton Antonio Zaro

Graduate Program of Computers in Education, UFRGS, Porto Alegre-RS, Brazil

Léa da Cruz Fagundes

Graduate Program of Electrical Engineering, FEI, São Paulo, Brazil

Fábio Teutto Rocha

Graduate Program of Computers in Education, UFRGS, Porto Alegre-RS, Brazil

Walter Cezar Nunes

Graduate Program of Computers in Education, UFRGS, Porto Alegre-RS, Brazil

Corresponding Author

Email: zaro@ufrgs.br