@BOOK{ Book!D - 68720677,
AUTHOR = "Paul D. Leedy, Jeanne Ellis Ormrod",
TITLE = "Practical research: Planning and design",
LIBRARY= "كتابخانه مركزی دانشگاه شهركرد",
SUBJECT = "Research - Methodology",
URL = "/book/68720677/Practical-research-Planning-and-design/"}