Kerlinger Fred N <br/><br/>
Foundations of behavioral research. 
Kerlinger Fred N 
 - 2 
 - Delhi  Surjeet Publications        1973 
 - xx,741p  cm. 
<br/><br/><label>Standard No.: </label>98816 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:(B28), L3