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                Transactional issues in distance education: The impact of design in Audioteleconferencing[J] . Terry D. Anderson,D. Randy Garrison.American Journal of Distance Education . 1995 (2)
              
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                  MEDIA WILL NEVER INFLUENCE LEARNING
                 
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                In support of a functional definition of interaction[J] . Ellen D. Wagner.American Journal of Distance Education . 1994 (2)
              
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                Verifying key theoretical concepts in a dynamic model of distance education[J] . Farhad Saba,Rick L. Shearer.American Journal of Distance Education . 1994 (1)
              
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                Perceptions of Interaction: The critical predictor in distance education[J] . Catherine P. Fulford,Shuqiang Zhang.American Journal of Distance Education . 1993 (3)
              
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                Collaborative learning: More is not necessarily better[J] . Susan May.American Journal of Distance Education . 1993 (3)
              
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                Evaluating Constructivistic Learning[J] . Educational Technology . 1991 (9)
              
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                Interactivity or Instruction? A Reaction to Merrill[J] . Educational Technology . 1991 (3)
              
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                Grounded theory research: Procedures, canons, and evaluative criteria[J] . Juliet M. Corbin,Anselm Strauss.Qualitative Sociology . 1990 (1)
              

