Practical Research: Planning and Design (11th Edition) Authors: Paul D. Leedy – Jeanne Ellis Ormrod ISBN-10: 013374132X ISBN-13: 9780133741322 Edition: 11 Released: 2015-01-03 Paperback: 408 pages List Price 获取PDF电子书代发服务10元立即求助 1111 未经允许不得转载:Wow! eBook » Practical Research: Planning and Design