by Prof. Dr. Sondang P. Siagian, M.P.A
$11.00

by Agnes Jessica
$7.00

by Dr. Husein Syahatah
$6.00

by Prof. H. Mashudi, SH. MH. & Moch. Chidir Ali, SH.
$6.00

by Agung Susanto, SH.
$6.00

by Drs. H. Inu Kencana Syafiie
$9.00