by Drs. Harjanto $9.00
by Drs. Heryando Palar $7.00
by H. Rahmat Rukmana $5.00
by Ir. Setijo Pitojo $6.00
by Prof. DR. Taliziduhu Ndraha $13.00
by Prof. Dr. Mansoer Paleda $11.00
by Arim KM $9.00