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Click to Close Larger Image Essentials of Research Design and Methodology Geoffrey R. Marczyk (Director of the Psy.D./MBA and Psy.D./M.A. in Criminal Justice programs at Widener University, Philadelphia, PA), David DeMatteo (University of Pennsylvania, Philadelphia, PA), David Festinger (Treatment Research Institute of the University of Pennsylvania in Philadelphia ) ISBN: 978-0-471-47053-3 Paperback 306 pages March 2005, ©2005 US $41.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. Other Available Formats: E-Book

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