Simatumpang, R.O. <br/><br/>
Pedoman tamasja Djawa Barat  [microform] / 
R.O. Simatumpang 
 - Djakarta :  Keng Po,  [n.d] 
 - 2 microfiches :  positive ;  11 x 15 cm. 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Project : Monographs