by Ir. Sarjoni Basri $7.00
by Drs. Mustaqim $7.00
by Victor Situmorang, S.H $7.00
by A. Tresna Sastrawijaya, M.Sc $7.00
by Drs. Khaelany H.D., M.A. $9.00
by Drs. Sudarso $6.00