Practical Research: Planning and Design Authors: Leedy ISBN-10: 1292095873 ISBN-13: 9781292095875 Edition: 11th Released: 1992 Format: Paperback 资源下载资源下载价格10元立即购买 1111 未经允许不得转载：电子书百科大全 » Practical Research: Planning and Design 11th Edition
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