by Prof. Dr. Slamet Muljana
$9.00

by J. C. T. Simorangkir, S. H., dkk.
$9.00

by Mark B. Woodhouse
$9.00

by Dr. Taliziduhu Ndraha
$9.00

by dr. Clifford Rose & dr. Paul Davies
$6.00

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