by Drs. Suwarno $7.00
by Rachmanto $6.00
by Ir. Setijo Pitojo $6.00
by Prof. Dr. Sri Mulyani E. S $12.00
by Prof. Dr. Umar Tirtarahardja dan Drs. La Sula $12.00
by Prof. Mr. Roeslan Saleh $6.00