by Soegijatna Tjakranegara, S.H $9.00
by I. P. M. Ranuhandoko $18.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by - $6.00
by Fachruddin H.S $18.00
by Prof. Dr. Zainal Abidin Farid, S. H. $11.00