Effective cognitive modeling in an intelligent tutoring system for cardiovascular physiology. - Leemseop Shim; Martha W. Evens; Joel A. Michael; Allen A. Rovick (CBMS, 1991)

The Uses of Multiple Student Inputs in Modeling and Lesson Planning in CAI and ICAI Programs. - Joel A. Michael; Allen A. Rovick; Martha W. Evens; Leemseop Shim; Chong Woo; Nakhoon Kim (ICCAL, 1992)

CIRCSIM-Tutor: An Intelligent Tutoring System Using Natural Language Dialogue. - Martha W. Evens; Ru-Charn Chang; Yoon Hee Lee; Leemseop Shim; Chong-Woo Woo; Yuemei Zhang (ANLP, 1997)

An intelligent tutoring system that generates a natural language dialogue using dynamic multi-level planning. - Chong-Woo Woo; Martha W. Evens; Reva Freedman; Michael Glass; Leemseop Shim; Yuemei Zhang; Yujian Zhou; Joel A. Michael (Artif. Intell. Medicine, 2006)