by J. Darminta, SJ $3.00
by Ir. Hieronymus Budi Santoso $5.00
by M. Fauzil Adhim $6.00
by Ir. Heinz Frick & Pujo L. Setiawan $7.00
by Abdurrazak Naufal, Terj. H.A. Bukhari $7.00
by J. W. M. Bakker, SJ $7.00