References
- Kelley , A. 1968 . An experiment with TIPS, a computer‐aided instructional system for undergraduate education . American Economic Review , 58 : 2
- Lumsden , K. and Scott , A. December 1985 . Computer‐Managed Learning: Problems and Issues , December , The Esmee Fairbairn Research Centre, Heriot‐Watt University . Working Paper