by Ir. Hieronymus Budi Santoso $5.00
by Ir. H. Nazarukhan Yasin $18.00
by $7.00
by - $13.00
by Julius R. Latumaerissa, S.E., M.M $9.00
by Ir. Suharto $6.00
by Drs. T. Gilarso, SJ $12.00