by P. S. Siswoputranto $13.00
by Drs. Sam sul Munir Amin, M.A. Haryanto Al-Fandi, S.Sos.I. $7.00
by Ir. Rudy Gunawan $6.00
by Dr. M. Umar Chapra $9.00
by Muhammad Ismail $6.00
by $4.00