by Prof. Mr. Notonagoro $9.00
by - $9.00
by Ir. Suharto $6.00
by Drs. Ec. Alex. S. Nitisemito dan Drs. M. Umar Burham. M.S $6.00
by Cyrillus Harinowo $11.00
by Thee Kian Wie $11.00