Leedy, Paul D. <br/><br/>
Practical research :  planning and design . 

 - 9th ed. 
 - New York :  Pearson ,  2010. 
 - xvii, 336 p.  ill.  27 cm. 
<br/><br/>Includes references. 
<br/><br/><label>ISBN: </label>97801313656667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research.
<br/><br/><label>LC Class. No.: </label>Q 180.55 L 2010