Khanna, J K <br/><br/>
Knowledge:  Evolution, structure & research methodology / 
J K Khanna 
 - New Delhi:  Ess Ess Publications,  1985. 
 - xii, 519p. 
<br/><br/><label>ISBN: </label>817000005X 
<br/><br/><label>Dewey Class. No.: </label>120  / KHA.K