by Christine A. Adams & Roberts J. Butch $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Otto Hentz, SJ. $4.00
by Edmund Woga, CSsR. $7.00
by dr. Endang Lanywati $5.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Djumadi $7.00