by Prof. Dr. h. Sunarto dan Dra. Ny. B. Agung Hartono
$9.00

by Dr. Hamzah B. Uno, M.Pd
$0.00

by Ir. Moehar Daniel, M.S
$7.00

by R. Ibrahim dan Nana Syaodih. S
$7.00

by Prof. Drs. Piet A. Sahertian
$7.00

by Juneman
$10.00