by Ir. Ari Wijayani Purwanto $11.00
by Ir. Budi Samadi $0.00
by Dr. Franz Magnis Suseno, SJ $11.00
by Dr. FX. Mudji Sutrisno, SJ $7.00
by Ir. Budi Sulistyo $7.00
by Abdul Munir Mulkhan $7.00