Bye, Raymond, T. <br/><br/>
Principles of economics 

 - New York,  Appleton-Century-Crofts,  1956 
 - xi,691p. 
<br/><br/><label>Subjects--Index Terms: </label>economics  business demography 
<br/><br/><label>Dewey Class. No.: </label>330.101.8  / BYE