1. Research on the personalized system of instruction;Adams;Prog. Learning and Educ. Psychol.,1976
2. Individualized instruction—where are we? A guide for teachers;Blake;Educ. Tech.,1969
3. Behavioral objectives and the quantitative methods course;Busch;Decision Sci.,1974
4. The effectiveness of computer-assisted instruction;Cropley;Alberta J. Educ. Res.,1973