1. Building an intelligent tutor from hypertext and expert systems;Jonassen;Paper presented at the annual meeting of the Association of Educational Communications and Technology, Orlando, Fla,1991
2. Limitations of first generation instructional design;Merrill;Educl Technol.,1990
3. Development principles for intelligent tutoring systems: integrating cognitive theory into the development of computer-based instruction;Orey;Educl Technol. Res. Dev.,1993
4. Instruction in a simulation environment: opportunities and issues;Towne;Paper presented at the annual meeting of the Intelligent Computer Aided Training conference, Houston, Tex,1991
5. The expert model;Anderson,1988