by Prof. Drs. Sri Rumini
$6.00

by Soetiksno
$6.00

by Zainal A.Z., BAE
$11.00

by Al. Wahjasudibja, Pr.
$6.00

by Henry Simamora, S.E
$18.00

by Agus Rahardjo, S.H., M.Hum.
$7.00