by WK $11.00
by Ir. Hieronymus Budi Santoso $6.00
by LA. Heij $0.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by Ir. Hieronymus Budi Santoso $5.00
by Iin Inayah $0.00