by AHMAD AMRI ZAINAL & NURASYIKIN AHMAD $6.00
by Paulus Subiyanto $7.00
by Dr. Ir. Akhmad Fauzi, M.Sc. & Dr. Dra. Suzy Anna, M.Si $12.00
by Hindah Muaris $6.00
by Mira W. $9.00
by Nyoman S. Pendit $13.00