by - $7.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by Dr. Munir Fuady, S.H., M.H., LL.M. $8.00
by Widyopramono, S.H. $7.00
by M. Idris Ramulyo, S. H., M. H. $9.00