by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by M. Ali Hasan $5.00
by Anthony De Mello, SJ. $4.00
by Muchotob Hamzah $5.00
by Komlit KWI $3.00
by Ir. L. Widarto $5.00