by V. Indra Sanjaya, Pr. $6.00
by Windyatmoko B, MSF $8.00
by Haryoto $5.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by Anne Hommes $7.00
by NC. Madjid $6.00