@inproceedings{cisuc-1526-2007,
author={Alves, T. and Licinio Roque },
title={Because Players Pay: The Business Model Influence on MMOG Design},
booktitle={DiGRA2007 - Digital Games Research Association},
year=2007,
address={n/a},
}
@inproceedings{cisuc-1164-2005,
author={Alves, T. and Licinio Roque },
title={Using Value Nets to Map Emerging Business Models in Massively Multiplayer Online Games},
booktitle={PACIS 2005},
year=2005,
address={n/a},
}