MAIA, Ivan Ferrer; RODRIGUEZ, Carla Lopes; RANGEL, Flaminio de Oliveira  e  VALENTE, José Armando. Increase of cooperation permitted by computers in a distance education environment.Traduzido porSandro Palhão. Interface (Botucatu) [online]. 2007, vol.3Selected edition, pp. 0-0. ISSN 1414-3283.