Valkenburg, M E Van. <br/><br/>
Network analysis /  
M E Van Valkenburg. 
 - 3rd ed /   . 
 - New Delhi :   PHI Learning ,   1974. 
 - xv, 571p. :   figure ;   23cm .  
<br/><br/>Includex bibliographical references and index 
<br/><br/><label>ISBN: </label> RS350.00 (pbk) 
<br/><br/><label>Subjects--Index Terms: </label>NETWORK ANALYSIS  
<br/><br/><label>Dewey Class. No.: </label>621.3821  / VAL/N