by Ir. Nur Tjahjadi $6.00
by Th. Aq. M. Rochadi Widagdo, Pr $6.00
by Ir. Setijo Pitojo $6.00
by Deshi Ramadhani, SJ $9.00
by Drs. Wartono Hadie & Dra. Lies Emmawati Hadie $6.00
by Ir. Ari Wijayani Purwanto $9.00