Introduction to research: Understanding and applying multiple strategies 
DePoy, Elizabeth 
 - 3rd ed. 
 - U.S.A  Elsevier Mosby  c2005 
 - xiii,346p.:  ill  23cm 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0323028535 
<br/><br/><label>LC Class. No.: </label>RA440.85  / .D47 2005