1. BOLTER J. D. 1991. Writing space: The Computer Hypertext and the History of Writing. Lawrence Erlbaum Hillsdate N.J. BOLTER J. D. 1991. Writing space: The Computer Hypertext and the History of Writing. Lawrence Erlbaum Hillsdate N.J.
2. C~ROLL J. M. 1990. The Nurnberg funnel: Designing Minimalist Instruction for Practical Computer Skill. MIT Press Cambridge Mass. C~ROLL J. M. 1990. The Nurnberg funnel: Designing Minimalist Instruction for Practical Computer Skill. MIT Press Cambridge Mass.
3. Integrating research and instruction;GNELL M.;Project Jefferson. Academic Comput.,1988
4. gIBIS: a hypertext tool for exploratory policy discussion