by Permadi Gandapradja $11.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by - $18.00
by Drs. Agus M. Hardjana, M.Sc., Ed $5.00
by Jeff Zabin & Gresh Brebach $13.00
by Dyah Hasto & Teguh Sri Pambudi $30.00
by $5.00
by Arief, Sritua dan Adi Sasono $5.00
by Drs. Sisdjiatmo Kusumosuwidho, M.Sc $9.00
by Drs. Al. Soenarto S.W., dkk $4.00
by Ben Handaya $5.00
by dr. Daniel Makes, Prof. Dr. dr. Susworo $5.00