Konsepsi perekonomian dunia, atas dasar kodrat alam. 

 - Djakarta,  Garuda Muda  [1957] 
 - 62 p.  facsim., port.  17 cm. 
<br/><br/><label>LCCN: </label>sa 68013034  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history
<br/><br/><label>LC Class. No.: </label>HC51  / .S45