A model for a multifunctional teaching system. - K. J. Engvold; J. L. Hughes (Commun. ACM, 1967)

A multi-functional display system for processing and teaching. - K. J. Engvold; J. L. Hughes (IFIP Congress (2), 1968)

Education: A general-purpose display processing and tutorial system. - K. J. Engvold; J. L. Hughes (Commun. ACM, 1968)

A comparative study of management decision-making from computer-terminals. - C. H. Jones; J. L. Hughes; K. J. Engvold (AFIPS Spring Joint Computing Conference, 1970)