Dwivedi,D.N. <br/><br/>
managerial economics 
/ by D.N.Dwivedi  
 - 7th ed. 
 - Noida:  Vikas publishing house,  2013. 
 - xxiv,704p. 
<br/><br/><label>ISBN: </label>9788125923473 
<br/><br/><label>Dewey Class. No.: </label>330  / DWI/M