@inproceedings{
author={Harviainen J. Tuomas and Lainema Timo and Saarinen Eeli},
year={2012},
title={Player-reported Impediments to Game-based Learning},
isbn={ISSN 2342-9666},
booktitle={DiGRA Nordic \&\#3912: Proceedings of 2012 International DiGRA Nordic Conference},
url={http://www.digra.org/wp-content/uploads/digital-library/12168.02279.pdf}
}