by Ir. Hieronymus Budi Santoso $6.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Ir. Daisy P. Sriyadi Hendaryono $6.00
by Daniel L. Smith $11.00
by H. Unus Suriawira $0.00
by Drs. Wartono Hadie & Dra. Lies Emmawati Hadie $6.00