by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by Laurence D. Ackerman $9.00
by Trim Sutidja $5.00
by Anthony G. Athos $9.00
by Rondang Pasaribu $6.00
by Prof. Dr. Sudarwan Danim $11.00