R. Unanue, M. Velasco, C. Flores, J. Fuentes, and V. Iturbide. ITiCSE '02: Proceedings of the 7th annual conference on Innovation and technology in computer science education, 34, page 34--38. New York, NY, USA, ACM, (September 2002)
O. Grillmeyer. The Proceedings of the Thirtieth SIGCSE Technical Symposium on Computer Science Education, page 286--290. New York, NY, USA, ACM, (1999)
R. Unanue, M. Velasco, C. Flores, J. Fuentes, and V. Iturbide. ITiCSE '02: Proceedings of the 7th annual conference on Innovation and technology in computer science education, 34, page 34--38. New York, NY, USA, ACM, (September 2002)
O. Grillmeyer. The Proceedings of the Thirtieth SIGCSE Technical Symposium on Computer Science Education, page 286--290. New York, NY, USA, ACM, (1999)