by Ir. H. Rahmat Rukmana $5.00
by Bob Sugeng Hadiwinata, Ph. D $9.00
by Al. Wahjasudibja, Pr. $3.00
by Ir. M. Lies Suprapti $6.00
by Drs. Abdullah Ali, Drs. Misbandono, dan Ir. Eny Rahma $7.00
by Haryoto $5.00
by Dr. C. Asri Budiningsih $6.00
by Rahmat Ruhyana $8.00