by Dra. Wiwi Isnaeni, M.S $11.00
by Drs. B. Suryosubroto $9.00
by Prof. Mr. Notonagoro $9.00
by Ir. Suyatno Risza $9.00
by Drs. Sidarta Gautama $7.00
by Drs. Abdul Chaer $7.00