@INPROCEEDINGS {1819,
author={N. Horta and D. Simões  and R. Luis and J. Redol },
doi={},
booktitle={IADIS International Conf. on WWW/Internet},
title={A New Approach Towards E-Learning Contents Standardization And Enhanced Usability},
year={2003},
month={November},
volume={1},
pages={1199-1103} 
}
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