by N. Edy Soetanto, BE.
$5.00

by Prof. DR. Taliziduhu Ndraha
$9.00

by Drs. Tgk. H.Z.A. Syihab
$6.00

by -
$13.00

by William J. Altier
$11.00

by Edilius, S.E dan Drs. Sudarsono, S.H., M.Si
$9.00