R. Garlick, and E. Cankaya. ITiCSE '10: Proceedings of the fifteenth annual conference on Innovation and technology in computer science education, page 165--168. New York, NY, ACM, (2010)
S. Fincher, S. Cooper, M. Kölling, and J. Maloney. SIGCSE '10: Proceedings of the 41st ACM technical symposium on Computer science education, page 192--193. New York, NY, USA, ACM, (2010)
G. Kacmarcik, and S. Kacmarcik. SIGCSE '09: Proceedings of the 40th ACM technical symposium on Computer science education, page 281--285. New York, NY, USA, ACM, (2009)
A. Sánchez-Ru\'ız, and L. Jamba. ACM-SE 46: Proceedings of the 46th Annual Southeast Regional Conference on XX, page 24--29. New York, NY, USA, ACM, (2008)
T. Wright, and A. Cockburn. AUIC '05: Proceedings of the Sixth Australasian conference on User interface, page 55--62. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2005)
B. Moskal, D. Lurie, and S. Cooper. SIGCSE '04: Proceedings of the 35th SIGCSE technical symposium on Computer science education, page 75--79. New York, NY, USA, ACM, (2004)