Effendiharahap <br/><br/>
Effendiharahap Institute and Bookstore  [microform] / 
Effendiharahap 
 - Semarang :  [s.n],  1942 
 - 2 microfiches :  positive ;  11 x 15cm. 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Project : Monographs