by $6.00
by Adrian Sutedi, S. H., M. H. $11.00
by Imam Tholkhah $9.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by Subekti $6.00
by Soerjono Soekanto $6.00
by A.A. Navis $7.00