by Dr. Niels Mulder $12.00
by Wolfgang Bock, SJ. $6.00
by Stefan Leks $3.00
by Ir. H. Rahmat Rukmana, MBA., M.Sc. & Uu Sugandi Saputra, B.Sc $6.00
by Ir. Ibnu Dwi Buwono, M.Si $7.00
by Joseph A. Fitzmyer, SJ. $6.00