by Abdul Rachman $13.00
by Ny. H. Sri Maryati $7.00
by Radiks Purba $13.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by A. Tresna Sastrawijaya, M.Sc $7.00
by Ir. Suharto $9.00