Roll, Erich <br/><br/>
Elements of economic theory / 
by Erich Roll 
 - London :  Oxford University Press ,  1937 . 
 - 276 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>The economic principle<br/>The theory of exchange<br/>The theory of production<br/>Three problems of change
<br/><br/><label>Dewey Class. No.: </label>330.01  / ERI-E