by Drs. Abdul Chaer dan Leonie Agustina $11.00
by P. Joko Subagyo, S.H $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Saul M. Katz $6.00
by Anthony Reid $21.00
by Drs. Ahmad Amir Aziz, M.Ag $6.00