Brusilovsky, P. (1994) Explanatory visualization in an educational programming environment: connecting examples with general knowledge. In Springer-Verlag, Berlin. pp. 202-212.

Human-Computer Interaction , Proceedings of 4th In (1994) Human-Computer Interaction , Proceedings of 4th International Conference on Human-Computer Interaction, EWHCI'94 , LNCS 876, B. Blumenthal, J. Gornostaev and C. Unger (eds),  

Languages mentioned Turingal {1983}