by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $6.00
by Budi Agus Riswandi $7.00
by Imelda Akmal $6.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $7.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by Yusuf al-Uqshari $7.00