by Stephen R. Covey & Roger Merill $9.00
by Untung Sukardji $12.00
by M. Ali Hasan $9.00
by $4.00
by Ir. Hieronymus Budi Santoso $5.00
by Dr. FX. Mudji Sutrisno, SJ $7.00
by Suhardjo $6.00
by Tb. Ace Hasan syadzily $12.00