by Dr. Shalah al-Khalidy $9.00
by Yusuf Abdullah Daghfag $6.00
by Bambang Agus Murtidjo $5.00
by Prof. Dr. Syahrin Harahap MA (Ed) $6.00
by Drs. D. Ketut Sukardi $9.00
by Ir. Laode M. Aslan $7.00