by Drs. Amin Wijaja Tunggal, M.B.A $9.00
by Greeg Brittenham $7.00
by Sei H. Dt. Tombak Alam $13.00
by Drs. Soemarso, S.R $7.00
by Dra. L. Simanjuntak $7.00
by Prof. J. Suprapto, M.A. APU $11.00