1. Basic Concepts of the Theory of Fuzzy Sets;Kangari;Project Management Journal,1989
2. An Expert Adaptive Fuzzy Logic Control System;Kuang-Hai,1988
3. Expert Systems and Fuzzy Systems;Negotia,1985
4. Cumulative Trauma Disorders: An ergonomic intervention;Tabourn;Advances in Industrial Ergonomics and Safety II,1990