References :

Pusak, James P. and Sue K. Otto. (1997). "Taking Control of Multimedia." Technology-Enhanced Language Learning. Ed.Michael D. Bush. Lincolnwood: National Textbook Company. 1-46.

Radzik, Andy. (1997). The Generative Model for CALL Development. http://www.geocities.com/CollegePark/Library/8960/

Scinicariello, Sharon Guinn. (1997). "Uniting Teachers, Learners, and Machines: Language Laboratories and Other Choices." Technology-Enhanced Language Learning. Ed. Michael D. Bush. Lincolnwood: National Textbook Company. 185-213.