by Prof. Dr. Husaini Usman, M.Pd dan R. Purnomo Setiady Akbar, S.Pd., M.Pd $6.00
by R.M. Sumopratomo $6.00
by A. Malik Fadjar $11.00
by Muhibin Syah $11.00
by Drs. Ary H. Gunawan $11.00
by Prof. Dr. Husaini Usman, M.Pd., M.T $16.00