Carol L. Redfield, Benjamin Bell, Patricia Y. Hsieh, Joseph Lamos, R. Bowen Loftin, David Palumbo. Methodologies for Tutoring in Procedural Domains. In Barry P. Goettl, Henry M. Halff, Carol L. Redfield, Valerie J. Shute, editors, Intelligent Tutoring Systems, 4th International Conference, ITS 98, San Antonio, Texas, USA, August 16-19, 1998, Proceedings. Volume 1452 of Lecture Notes in Computer Science, pages 616, Springer, 1998. [doi]