1. Getting students to use adaptive TUTORIAL services: Strategies, issues and outcomes;Belden,2003
2. Scaffolding children's learning: Vygotsky and early childhood education;Berk,1995
3. Behavioral fluency: a new paradigm;Binder;Educational technology,1993
4. A tool for developing adaptive electronic textbooks on WWW;Brusilovsky,1996
5. Self-paced interactive system of instruction (SPIN) and Psych-ai Adaptive Instruction: A Systematic Comparison;Butterfield,2003