by Prof. Dr. Husaini Usman, M.Pd., M.T $16.00
by Drs. Hendiyat Soetopo $11.00
by Amaluddin, Mohamad $6.00
by ISEI $18.00
by Drs. Saliman, Drs. Sudarsono, S.H $9.00
by LSM $9.00