Leedy, Paul D. <br/><br/>
Practical research : planning and design / 
Paul D. Leedy, Jeanne Ellis Ormrod 
 - 10th new international ed. 
 -  Pearson Education  2014 
<br/><br/>25251 
<br/><br/><label>ISBN: </label>9781292021171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>LC Class. No.: </label>Q  / 180