Hatta, Mohammad. <br/><br/>
Beberapa fasal ekonomi . Tjetakan 2  [microform] / 
Hatta, Mohammad. 
 - Djakarta :  Balai Posestaka  1945 
 - 6 microfiches ;  11 x 15cm. 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Project : Monographs