Leedy, Paul D <br/><br/>
Practical Research: Planning and Design 

 - 9th ed 
 - Singapore  Pearson Education  2010 
 - 336p 
<br/><br/><label>ISBN: </label>9780137152421  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Research<br/>Practical Research
<br/><br/><label>Dewey Class. No.: </label>001.4