Leedy, Paul D. <br/><br/>
Practical research :   planning and design /  
Paul D. Leedy, Jeanne Ellis Ormrod. 
 - Ninth Edition 
 - Upper Saddle River, NJ :   Merrill,   c2010. 
 - xvii, 336 pages :   illustrations, maps ;   28 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-13-136566-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research --Methodology.
<br/><br/><label>Dewey Class. No.: </label>DC 001.4  / L51