by Ramlan Ginting
$8.00

by -
$7.00

by Marihot. P. Siahaan, S.E.
$16.00

by Prof. Dr. Baharuddin Lopa, S.H. dan Dr. Adi Hamzah, S.H.
$9.00

by Redaksi (Penghimpun)
$9.00

by Asril Sitompul, S.H.
$7.00