by Ir. H. Rahmat Rukmana, MBA $7.00
by Frank G. Goble $9.00
by Paulus Wahana, M.Hum $6.00
by Ir. Heinz Frick & Moediartianto $7.00
by Dr. Paul Suparno, SJ. Dkk $6.00
by J. Heinrich Arnold $4.00