@inproceedings{inproceedingsada5c8cf,
title   = {From concrete to abstract? Problem domain in the learning to introductory programming},
author = {Oliveira, Osvaldo Luiz de and Monteiro, Ana Maria and Roman, Norton Trevisan},
year = {2011},
booktitle   = {Annual Conference on Innovation and Technology in Computer Science Education - ACM ITiCSE}
}