Lange, Osker <br/><br/>
Enquiry 1 

 - New Delhi  Biper Chandra 
 - p. 128  Every chapter has different write 
<br/><br/><label>Subjects--Index Terms: </label>Economics;Marxim;Socialism;Information theory 
<br/><br/><label>Dewey Class. No.: </label>335.4