by $6.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by Salim H.S., S.H., M.S. $9.00
by Prof. Dr. Soerjono Soekanto, S.H., M.A.& Prof. Purnadi Purbacaraka, S.H. $5.00
by Jamal Wiwoho, S.H., M.H. & Djatikumoro, S.H. $6.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00