Osvaldo Luiz Oliveira, Ana María Monteiro, Norton Trevisan Roman. From concrete to abstract?: problem domain in the learning of introductory programming. In Guido Rößling, Thomas L. Naps, Christian Spannagel, editors, Proceedings of the 16th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, ITiCSE 2011, Darmstadt, Germany, June 27-29, 2011. pages 173-177, ACM, 2011. [doi]
Abstract is missing.