by Ulrich $16.00
by C.J. Bohm, MSC. $4.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Sri Whidarto $9.00
by Ir. Yudo Sudarto SP $5.00
by $6.00
by Munir Fuady, S.H., M.H. LL.M $6.00
by Ir. Heinz Frick & Moediartianto $7.00
by Drs. Deddy Suezdi $6.00
by Cara Colter $7.00
by Editor: St. Sularto, Wandi S. Brata, Pax Benedanto $16.00
by Penyunting: J. Kristiadi, T.A. Legowo, N.T. Budi Harjanto $7.00