by Ir. C. Totok Sutrisno $6.00
by Suryohadiprojo, Sayidiman $7.00
by - $9.00
by FJ. Roethlisberger $9.00
by Ny. Susmayati, B.A dan Ny. Hj. Asnidar $6.00
by Prof. Dr. Winardi $9.00