Valkenburg, M.E. Van <br/><br/>
Network analysis  

 - 3rd ed . 
 - PHI Learning Pvt.Ltd.   Delhi  2014 
 - xv, 571 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>621.3851 Val