by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by Drs. A. Munir $9.00
by Drs. Djalinus Syah., dkk $11.00
by Drs. Muchdarsyah Sinungan $12.00
by Drs. Muchdarsyah Sinungan $9.00
by Ir. Endar Sugiarto $9.00