Hatta, Mohammad,  1902-. <br/><br/>
Ekonomi kita  [microform] / 
Mohammad Hatta. 
 - Siantar :  Djabatan Penerangan Soematera Timoer,  [n.d.] 
 - 1 microfiche :  positive ;  11 X 15 cm. 
<br/><br/> Bahan IDC (Inter Documentation Company).  Modern Indonesia Project : Monographs.