by Dr. Yusuf Al-Qardlawi $6.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Afdial, Awani Irewati $8.00
by Drs. G. Kartasapoetra $7.00
by Prof. Mr. Roeslan Saleh $5.00