by Marsana Windhu $3.00
by Wahyu Wibowo $9.00
by Evelyn L. Billings, Dr $0.00
by Dr. Theo Huijbers $7.00
by Istimawan Dipohusodo $18.00
by Drs. Suwarna Pringgawidagda, M.Pd $18.00
by Abdul Mani $12.00
by Ir. Supraptono Djajadirana $9.00
by $26.00