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

 - Upper Saddle River  Merill Prentice-Hall  2001 
 - xx,318p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>LC Class. No.: </label>Q180.55.M4L43