by Mark Link, SJ. $6.00
by dr. Endang Lanywati $5.00
by Ir. Rahmat Rukaman, MBA & Hj. Yuyun $6.00
by AAK $6.00
by Drs. Agus M. Hardjana, M.Sc., Ed $5.00
by Dr. Martin Harun, OFM / LBI $7.00