by Drs. H. Burhanuddin Salam, M.M $7.00
by Prof. DR. Taliziduhu Ndraha $11.00
by F.Suryatmo dan Treesye Budiarti $7.00
by Rofi'l $5.00
by Metropop $11.00
by Drs. Sudarsono, S.H., M.Si $7.00