by Collen Sell $11.00
by Johanes Lim, Ph.D $7.00
by Hilman Hariwijaya $6.00
by Drs. Sudarsono, S.H., M.Si $7.00
by Rofi'l $5.00
by Alexandra D. & Cynthia A. $9.00
by Suprihatin $9.00