Ghosal, A <br/><br/>
Elements of Operational Research 

 - Delhi  S.Chand & Co 
<br/><br/><label>Subjects--Uniform Titles: </label>--GENERAL STACK
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences--Water, air & space transportation--Commerce, communications & transportation
<br/><br/><label>Dewey Class. No.: </label>387.166  / GHO-E