by Dr. Hj. Fathul Djannah SH $6.00
by Fergal Keane $7.00
by Edilius, S.E dan Drs. Sudarsono, S.H., M.Si $9.00
by Teddy Resmisari Pane $7.00
by American Asociation of State Highway and Transportation Officials $9.00
by Dydiet Hardjito $5.00