by Drs. Agus M. Hardjana, M.Sc., Ed
$6.00

by Br. Thomas Voets, CSA.
$3.00

by RW. Allard
$11.00

by dr. Yoannes Y. Laban
$5.00

by Hidya Tyaya Th, SJ & Sudarminta J, SJ
$9.00

by H. Rahmat Rukmana
$5.00