by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Drs. Ec. Alex. S. Nitisemito dan Drs. M. Umar Burham. M.S $6.00
by Anisitus Amanat $7.00
by Drs. Suyadi Prawirosentono, MBA $9.00
by Azimah Soebagijo $8.00
by - $16.00