by Heru Susanto $5.00
by Drs. Johansyah Lubis, M.Pd $7.00
by Hilman Hariwijaya $6.00
by Shirley Eskapa $11.00
by Drs. Sudarsono, S.H., M.Si $7.00
by - $7.00
by Ali Imron, M.Pd $7.00
by Drs. Thomas Suyatno, dkk $9.00
