by Adelbert Snijders, OFM Cap $9.00
by Huub J. W. M. Boelaars, OFM. Cap $20.00
by Ir. Daisy P. Sriyadi Hendaryono $6.00
by Ir. Rindit Pembayun, M.P. $6.00
by Iwan Kurniawan $6.00
by Aloys Budi Purnomo, Pr. $4.00