by Komkat KAS $6.00
by Anthony De Mello, SJ. $4.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $6.00
by PIKA $5.00
by Y. T. Prasetiyo $5.00
by Dr. Niels Mulder $12.00