by Ir. Sudadi Martodireso & Ir. Widada Agus Suryanto, MM $6.00
by Darmono $6.00
by Ir. R. Bambang Soelarso $6.00
by Muhadjir $7.00
by Ir. Daisy P. Sriyadi Hendaryono, M.Si & Ir. Ari Wijayani $6.00
by Nelson Mandela $6.00