by Dr. Paul Suparno, SJ. Dkk $6.00
by Ir. Heri Purnama $11.00
by Prof. DR. Sukardjo $12.00
by Drs. Bambang S., dkk $9.00
by Drs. Djoko Tri Prasetya, dkk $7.00
by I. Soejito $9.00