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by William McGuire (Cornell University); Richard H. Gallagher (Clarkson University); Ronald D. Ziemian (Bucknell University)
by Young, Hugh D.
by Open University
by Ronald Lane Reese
by Alister E. McGrath (University of Oxford)
by Michael Ryan (Northeastern University)
by Stephen Sheldon (Director, Sleep Medicine Center, Children's Memorial Hospital, Assistant Professor of Pediatrics, Northwestern University Medical School, Chicago, IL, USA); Susan Riter; Mark Detrojan
by John A. White (University of Arkansas ); Kenneth E. Case (Oklahoma State Univ.); David B. Pratt (Oklahoma State Univ.); et al.
by Thomas J. Sergiovanni (Trinity University)
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