The following publications are possibly variants of this publication:
- An intelligent tutoring system that generates a natural language dialogue using dynamic multi-level planningChong-Woo Woo, Martha W. Evens, Reva Freedman, Michael Glass, Leemseop Shim, Yuemei Zhang, Yujian Zhou, Joel A. Michael. artmed, 38(1):25-46, 2006. [doi]
- Domain knowledge base for an intelligent tutoring system: CIRCSIM-tutorHasan Abbas, Martha Evens. cata 2000: 338-343
- Natural Language Problems for Intelligent Tutoring SystemsMartha W. Evens. maics 2003: 4