by Dr. Wajih Zainal Abidin $5.00
by ISEI $12.00
by Dr. P. Hardono Hadi $7.00
by Ir. Arifin Arief, M. P $7.00
by Nashir bin Ali al-Ghamidhi $5.00
by Dr. Niels Mulder $11.00
by Darmono $6.00