by Dr. Dody Ranuhardy, SpPD-KHOM $6.00
by Perserikatan Bangsa-Bangsa $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by Drs. H. Abu Ahmadi $11.00
by $13.00
by Francis Fukuyama $16.00