by Abd. Ghalib Isa $6.00
by Syeikh Fadhalla Haeri $6.00
by Dr. Thariq M.As-Suwaidan dan Ir. Faisal Umar Basyarahil $11.00
by Ir. Susy Fatena Roestiyanti, M.Sc $7.00
by Sal Severe, Ph.D. $13.00
by John Navone, SJ. $6.00