by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Drs. Basir Barthos $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Abu Daud Busroh, S.H $7.00
by Prof. Dr. Veithzal Rivai $13.00
by ISEI $18.00