1. Educational computing at Chelsea (1969–1979);Lewis,1981
2. A model for the production of CAL;Watson;Comput. Educ.,1983
3. Developing CAL—the Computers in the Curriculum (CIC) Model;Watson,1987
4. Developing CAL: Computers in the Curriculum;Watson,1987
5. BASIC language standards;Millwood,1984