by $4.00
by Drs. Sudiyono, M.Si $6.00
by Drs. H.M. Daryanto $9.00
by Prof. Dr. M. Mustafa Al-A'Zami $18.00
by Drs. Djalinus Syah $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00