Neratja dan perhitungan rugi/laba Perhutani th. 1968  ( Djakarta.)Badan Pimpinan Umum Perusa-  [microform] / 
[n.d] 
 - 1 microfiche ;  11 x 15cm 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Project: Monographs