by Lester R. Brown $21.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Munaf H. Regar $9.00
by Ali Masjono Mukhtar, S.E., M.Bit $7.00
by Susmayati, B.A., dkk $11.00
by Chandrakirana, Kamala, Isono Sadoko $7.00