by Prof Drs CST Kansil SH, Engelien R Palendeng SH MH, Altje Agustin Musa SH MH
$7.00

by Laboratorium FH UNPAR
$6.00

by M. Yahya Harahap, S.H.
$6.00

by Prof. Drs. C.S.T. Kansil, S.H.
$12.00

by Kansil C.S.T
$7.00

by Prof. Dr. H. Harsuki, M.A
$12.00