by Adiwarman A. Karim $13.00
by W. Montgomery Watt $5.00
by Denny J. A $6.00
by Gatot Soemartono $11.00
by Paul Hirst $9.00
by Drs. Inu Kencana Syafiie $11.00
by Muzaham, Fauzi $7.00
by Betty Sri Laksmi & Winiati Pudji Rahayu $7.00