by Ir. H. Rahmat Rukmana $6.00
by J. I. G. M. Drost, SJ $7.00
by Surip Stanislaus, OFMCap. $4.00
by Bambang Agus Murtidjo $6.00
by $4.00
by Ir. Ibnu Dwi Buwono, M.Si $7.00