by $11.00
by Bernard Arief Sidharta $6.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by Prof. Dr. Soerjono Soekanto, S.H., M.A. $3.00
by M. Yahya Harahap, S. H. $13.00
by A. Setiadi, S.H. $6.00