by Due, John F $11.00
by Dr. Hamzah B. Uno, M.Pd $9.00
by DR. Maria S.W. Sumardjono, SH $6.00
by Soerjani, Moh., Rafiq Ahmad & Rozy Munir $7.00
by Tobi Moektijono $6.00
by Ali Imron, M.Pd $7.00