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

 - 2 
 - New Delhi  Macmillan  1986 
 - ix, 270p. 
<br/><br/><label>ISBN: </label>0-02-369230-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology