by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Jayne Ann Krentz $9.00
by Ratna Batara Munti $7.00
by dr. H. Taufiq Pasiak, M.Pd $11.00
by Disney $6.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00