K. D. Forbus and P. B. Whalley, Using qualitative physics to build articulate software for thermodynamics education, Proceedings of AAAI-94, pp.1175-1182, 1994.

W. B. Johnson, J. E. Norton, P. E. Duncan, and R. M. Hunt, Development and demonstration of an intelligent tutoring system for technical training (MITT) (AFHRL-TP-88-8), Brooks AFB, 1988.

B. Kosko, Fuzzy thinking: The new science of fuzzy logic, 1993.

A. Lesgold, G. Eggan, S. Katz, and G. Rao, Possibilities for assessment using computer-based apprenticeship environments, Cognitive approaches to automated instruction, 1992.

S. P. Lajoie and A. Lesgold, Apprenticeship training in the workplace: Computer-coached practice environment as a new form of apprenticeship Intelligent instruction by computer: Theory and practice, 1992.

A. Munro, M. C. Johnson, D. S. Surmon, and J. L. Wogulis, Attribute-centered simulation authoring for instruction, Proceedings of AI-ED'93, 1993.

D. M. Towne and M. C. Johnson, Research on computer-aided design for maintainability, 1987.

D. M. Towne, A. Munro, Q. A. Pizzini, D. S. Surmon, and J. L. Wogulis, Intelligent maintenance training technology, 1990.

D. M. Towne and A. Munro, The intelligent maintenance training system, Intelligent tutoring systems: Lessons learned, pp.479-530, 1988.

D. M. Towne, Model-based simulations for instruction and learning, Proceedings of Delta '94 Conference: Telematics for education and training, 1994.

B. J. Wiederholt, J. E. Norton, W. B. Johnson, and E. J. Browning, MITT Writer and MITT Writer Advanced Development: Developing Authoring and Training Systems for Complex Technical Domains, 1992.
DOI : 10.1037/e535622006-001

L. Zadeh and J. Kacprzyk, Fuzzy logic for the management of uncertainty, 1992.