Kothari,C.R. <br/><br/>
Quantitative techniques 

 - New Delhi  Vikas publishing house pvt ltd.  1984 
 - 552p. 
<br/><br/><label>ISBN: </label>0-7069-1802-9 
<br/><br/><label>Dewey Class. No.: </label>658.403  Kot.M4