by Soerjono Soekanto
$12.00

by Sulaiman
$9.00

by Prof. S.H. Rewoldt
$7.00

by Prof. Dr. Sondang P. Siagian, M.P.A
$9.00

by Peter Kasenda
$7.21

by Prof. Dr. Budi Winarno, MA
$11.00