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by Ford, A. Lewis; Young, Hugh D.; Freedman, Roger A.
by Hugh D. Young
by University of Chicago School Mathematic Project
by Jack C. McCormac (Clemson University)
by Benson, Harris
by Gillet, Jean Wallace; Temple, Charles A.
by Austin, Charles J.; Boxerman, Stuart B.; Association of University Programs in Health Administration
by Chang, Raymond
by Reese, Ronald Lane
by Davenport, Horace Willard
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