Sarikat Buruh Technik dan perindustrian  anggaran dasar (''S.B.T.P.'').  [microform] : 

 - Djakarta :  [s.n.],  1950 
 - 1 microfiche :  positive ;  11 X 15 cm. 
<br/><br/> Bahan IDC (Inter Documentation Company).  Modern Indonesia Project : Monographs.