by Ir. M. Lies Suprapti $7.00
by Khairul Basar $11.00
by Katili, Irwan $13.00
by Duvey, K.J $7.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by Thabrani, Seno Adjie $9.00