by Djoehana Setyamidjaja, M.Ed $7.00
by Ir. Budi Sulistyo $7.00
by Rex A. Pai, SJ. $7.00
by B. U. Hadikusumo $6.00
by Ir. Yudo Sudarto SP $5.00
by Dr. Paul Suparno, SJ. Dkk $6.00