Douglas Frye, Elliot Soloway. Interface design: a neglected issue in educational software. In John M. Carroll, Peter P. Tanner, editors, Proceedings of the SIGCHI/GI Conference on Human Factors in Computing Systems and Graphics Interface, CHI 1987, Toronto, Ontario, Canada, April 5-9, 1987. pages 93-97, ACM, 1987. [doi]
Abstract is missing.