1. Association for Educational Communications and Technology (1977) The Definition of Educational Technology. AECT, Washington, D.C.
2. ‘Where's the Beef?': A reply to Heinich’;Clark;Educational Communications and Technology Journal,1984
3. Educational Technology: Archetypes, Paradigms and Models;Davies,1978
4. The promises of Educational Technology: A reassessment;Ely;International Review of Education,1986
5. Instructional Technology;Finn;Audiovisual Instruction,1965