Leedy, Paul D. <br/><br/>
Practical research :  planning and design / 
[by] Paul D. Leedy. 
 - 3rd ed. 
 - New York :  Macmillan,  c1985. 
 - xi, 313 p. :  ill. 
<br/><br/><label>ISBN: </label>0023692200 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.