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by Donald R. Strombeck (Professor Emeritus, University of California, Davis)
by Bar-Shalom, Yaakov; University of California, Los Angeles University Extension; Shalom, Yaakov Bar
by Robert J. Berg (Bowling Green State University); Fabrice Leroy (Bowling Green State University)
by Young, Hugh D.
by Open University
by Thomas J. Sergiovanni (Trinity University)
by Edward J. Noga (North Carolina State University)
by Governors State University (Zaborowski)
by Michael Ryan (Northeastern University)
by Marsden, George M.
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