by Panut Djojosumarto $9.00
by K. Salim Bahnasawi $7.00
by Haryoto $5.00
by Prof. Dr. Ahmad Shalaby $7.00
by Jamal Sulthan $5.00
by Dr. Thariq M.As-Suwaidan dan Ir. Faisal Umar Basyarahil $11.00