by Yusuf al-Uqshari $7.00
by Dr. Al. Purwa Hadiwardoyo, MSF $6.00
by Dennis Linn, dkk $6.00
by Ir. Daisy P. Sriyadi Hendaryono $6.00
by Dr. M. Ali Hasyimi $7.00
by Muhammad Chirzin $5.00