A Text Book of Operation Research :  (According to New Syllabus of U.G.C.) /  Textual Documents 
P.R.Singh & T.N.Singh . 
 - Ist ed. 
 - Delhi:  Manglam Publishers & Distributors,  2007. 
 - `322pg:  23cm. 
<br/><br/><label>ISBN: </label>9788190454308 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Operation Research Deptt- Mathematics 
<br/><br/><label>Dewey Class. No.: </label>311.2