Practical research: planning and design 
edited by:Ormrod, Jeanne EllisLeedy, Paul D.

 - 8th ed. 
 - New Jersey  Pearson Prentice Hall  2005 
 - xxiii, 319p. 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>0-13-110895-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research - Methodology<br/>Social sciences - Research - Methodology
<br/><br/><label>Dewey Class. No.: </label>001.42 LEE-;        Issued