by Drs. E. Sumaryono, MA $6.00
by T. Krispurwana Cahyadi, SJ $6.00
by Ir. M. Lies Suprapti $7.00
by Karen Krossing $9.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Petra Widmer $5.00