by Bob Sugeng Hadiwinata, Ph. D $9.00
by Eko Budi Kuncoro $13.00
by Prof. Dr. Gerben Heitink & Fred. Heselaars Hartono, SJ. $8.00
by $4.00
by H. Rahmat Rukmana $6.00
by Adnan Hasan Baharits $5.00
by Mgr. P. Van Diepen, OSA. $6.00