1. Computing in America's Classrooms 1984: EL's Fourth Annual Survey of the States;Electronic Learning,1984
2. Center for Social Organization of Schools, Johns Hopkins University;School Uses of Microcomputers,1983
3. Intelligent Computer Assisted Instruction: Review and Synthesis of Research,1985
4. Effects of Computer-Based Teaching on Secondary School Students;Journal of Educational Psychology,1983
5. Press release, Westport, Connecticut;Market Data Retrieval,1983