by Yuniarti $5.00
by Ir. Daisy P. Sriyadi Hendaryono $6.00
by Barry, William A, SJ & Robert Doherty $6.00
by B. Sandjaja $9.00
by Ir. Bambang Cahyono $5.00
by J. Donald Walters $3.00
by Ir. Nur Tjahjadi $5.00