Kerlinger, Fred N. <br/><br/>
Foundations of behavioral research 

 - 2nd ed. 
 - Delhi  Surjeet Publications  1964 
 - xx,(2),742 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>001.42