@article{Friesen_McGreal_2002, title={International E-learning Specifications}, volume={3}, url={https://www.irrodl.org/index.php/irrodl/article/view/90}, DOI={10.19173/irrodl.v3i2.90}, number={2}, journal={The International Review of Research in Open and Distributed Learning}, author={Friesen, Norm and McGreal, Rory}, year={2002}, month={Oct.} }