by Kusmanwanti M. Idham $9.00
by Indriani $6.00
by Imelda Akmal $33.00
by Dr. Ir. Akhmad Fauzi, M.Sc. & Dr. Dra. Suzy Anna, M.Si $12.00
by John Gray, Ph.D. $13.00
by Darmo Rahardjo $9.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00