@ARTICLE{998211, title={The evaluation of educational service integration in integrated virtual courses}, author={Pahl, C.}, journal={Applications and the Internet Workshops, 2001. Proceedings. 2001 Symposium on}, year={2001}, month={}, volume={}, number={}, pages={61-66}, keywords={computer aided instruction, educational courses, virtual realityeducational service integration evaluation, integrated virtual courses, metrics, structural metrics, virtual course}, doi={10.1109/SAINTW.2001.998211}, ISSN={}, }