by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $6.00
by Yernelis Sukma, M.S., & Yakup $7.00
by Warisno $6.00
by A. Gianto, SJ. $7.00
by Ir. Budi Samadi $0.00
by E. Jaspan Kusuma $6.00