by Wahyu Widodo, Sri Sumarah $9.00
by ISEI $13.00
by Sutarni M. Soerjowinoto $6.00
by Huub J. W. M. Boelaars, OFM. Cap $20.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Istimawan Dipohusodo $18.00