1. Report on evaluation and user trials, Deliverable 3b, Workpackage 1.4;Barker;DELTA Project 2012—ILDIC,1992
2. The multimedia mix;Copeland;Educl Training Technol. Int.,1991
3. Software evaluation: who cares?;Tucker,1989
4. Towards a better research framework for evaluating the effectiveness of educational media;Bates;Br. J. Educl Technol.,1981
5. Evaluation in Computer-based Instruction a State of the Art Assessment;Borich,1981