by Ir. Heinz Frick & Pujo L. Setiawan $7.00
by WK $11.00
by WK $12.00
by M. Fakhri Husein $12.00
by Soufyan N $13.00
by Oka A. Yoeti $9.00
by Drs. H. Abu Ahmadi $11.00
by Tim Redaksi Tatanusa $12.00
by Sa'id Bin Amir $5.00
by - $9.00
by Drs. H. Chaeruman Pasaribu $9.00