Ursula Wolz, John Maloney, Sarah Monisha Pulimood. scratch your way to introductory cs. In J. D. Dougherty, Susan H. Rodger, Sue Fitzgerald, Mark Guzdial, editors, Proceedings of the 39th SIGCSE Technical Symposium on Computer Science Education, SIGCSE 2008, Portland, OR, USA, March 12-15, 2008. pages 298-299, ACM, 2008. [doi]
Abstract is missing.