by Ir. Arifin Arief, M. P $5.00
by Soekartawi $5.00
by Prof. Dr. Prayitno dan Drs. Erman Amti $13.00
by Ir. Setijo Pitojo $7.00
by Alex Kertamanah $7.00
by Zainun Kamal $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00