[compiled by] Alice S. Landy, Robert F. Sommer

Heath c1990

: instructor's ed

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Robert F. Sommer

Jossey-Bass Publishers 1989 1st ed Jossey-Bass higher education series , The Jossey-Bass management series

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by Robert Francis Sommer

UMI Dissertation Services c1984

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von H.Behnke, F. Sommer

Springer 1976 Studienausg. der 3. Aufl

: gw , : us

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