by Drs. Daryanto $11.00
by WK $11.00
by Ir. M. Lies Suprapti $6.00
by Ir. Rudy Gunawan $6.00
by Edy Soatanto, N, BE $5.00
by Syamsir Abduh $9.00
by $13.00
by Kansil C.S.T $11.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Ian L. Betts $30.00
by Mira W. $9.00
by Idris Thaha $11.00