Learning by Learning Roles: A Virtual Role-Playing Environment for Tutoring. - Brian M. Slator; Harold Cliff Chaput (Intelligent Tutoring Systems, 1996)

A multi-user desktop virtual environment for teaching shop-keeping to children. - Brian M. Slator; Harold Cliff Chaput; Robert Cosmano; Ben Dischinger; Christopher Imdieke; Bradley Vender (Virtual Real., 2005)