Leedy,Paul D <br/><br/>
Practical Research: Planning and Design 

 - 2nd Ed.; 
 - America:  Macmillan Publishing,  1980. 
 - ix,270p.;  27cm 
<br/><br/><label>ISBN: </label>0023692308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education and Research<br/>Jinapala Alas Collection
<br/><br/><label>Dewey Class. No.: </label>370.72  / LEE