Ghosal, A <br/><br/>
Elements of operational research   

 - Delhi:   Hindustan Publishing Corporation,   1969  
 - xi, 207p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Approach  Introduction  
<br/><br/><label>Universal Decimal Class. No.: </label>65.012.1   / K92