by Drs. Amin Wijaja Tunggal, M.B.A $9.00
by I. Al-Abyadi, Terj. Halimuddin, S.H $7.00
by Drs. H. Najamuddin $6.00
by Achmad Ikhsan $7.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by ISEI $12.00