by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by Bambang Agus Murtidjo $6.00
by Ir. M. Lies Suprapti $6.00
by Malvino $20.00
by $6.00
by Nursalam $7.00
by Thabrani, Seno Adjie $9.00
by Kimberly Kirberger $11.00