by Dr. Suhartono $7.00
by Isjoni $7.00
by Drs. Sudarsono, S.H., M.Si $20.00
by Dr. Ir. H. Suprijanto $9.00
by A. Tresna Sastrawijaya, M.Sc $9.00
by Drs. Domi C. Matutina $12.00