by - $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Prof. S.H. Rewoldt $6.00
by Jajat Burhanudin $11.00
by $20.00