by Heru Susanto $5.00
by Prof. DR. Soerjono Soekanto, S.H., M.A., dkk $6.00
by Al Ries, Laura Ries $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Ir. Indro Purwono $6.00
by John Westerman $11.00