by Drs. Herman Darmawi $9.00
by Prof. Komaruddin $16.00
by Irwan Julianto $11.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Paul R. Krugman $9.00
by Budi Irawanto $7.00
by WK $12.00
by A Latief Wiyata $5.53