by Drs. Djoko Tri Prasetya, dkk $7.00
by Arleen Amijaya $6.00
by Erna Hartanto, S.Kom $5.00
by Anand Krishna $11.00
by Hery Suhersono $12.00
by Aprilia Fadjar Pertiwi & Arif Liasta Ginting $7.00
by Ryna Merary Siahaan & Heineman Ihsan $13.00