by Harlis Kurniawan $5.00
by Sunanto, Drs. $9.00
by Dewi Adam $7.00
by Yeni Ismayani $7.00
by Erik J. Zurcher $13.00
by Dr. Ir. Akhmad Fauzi, M.Sc. & Dr. Dra. Suzy Anna, M.Si $12.00