by M. Yahya Harahap, S. H.
$18.00

by Bambang Eko Turisno, SH., MH.
$6.00

by Ropaun Rambe, S. H.
$13.00

by R. Soeroso, S. H.
$0.00

by Lembaga Kajian Hukum Bisnis FH USU Medan
$6.00

by Suryokusumo, Sumaryo
$6.00