by Haryoto
$5.00

by Tinbergen, Jan
$6.00

by Prof. Drs. C. S. T. Kansil, S. H.
$13.00

by Drs. Sudarsono, S.H., M.Si
$11.00

by Abdul Mani
$12.00

by Ir. Budi Rafitas
$7.00