by Sei H. Dt. Tombak Alam $7.00
by Ir. M. Lies Suprapti $6.00
by Ir. Rindit Pembayun, M.P. $6.00
by Yustinus Sumantri., SJ. $6.00
by Dr. Thomas Gordon $6.00
by Ir. Heinz Frick $5.00