Hildebrand, Milton; Dienst, Evelyn R.; Wilson, Robert Charles, 1920-(University of California, Center for Research and Development in Higher Education,, 1971.)
Brandenburg, Dale C.; Aleamoni, Lawrence M.(University of Illinois, Measurement and Research Division of the Office of Instructional Resources,, 1973.)
Kaufman, Barry.; Murtha, James; Warman, Jerzy; City University of New York. Office of the Deputy Chancellor. Institutional Research and Analysis(City University of New York, Office of the Deputy Chancellor, Institutional Research and Analysis,, 1981.)