1. Educational psychology: A cognitive view;Ausubel,1968
2. Educational psychology: A cognitive view;Ausubel,1978
3. Ferguson, R. L. (1969). Computer-assisted criterion-referenced testing. Technical report-WP-49, Pittsburgh University, Learning Research and Development Center, Pittsburgh.
4. Bayesian adaptation during computer-based tests and computer-guided practice exercises;Frick;Journal of Educational Computing Research,1989
5. Genetic algorithms in search, optimization and machine learning;Goldberg,1989