by Ir. Rahmat Rukaman, MBA & Hj. Yuyun $6.00
by Ir. Dede Juanda J.S. & Ir. Bambang Cahyono $6.00
by Sayyid Quthb $20.00
by Sayyid Quthb $9.00
by Dr. Khalid Abu Syadi $5.00
by Roger W. McIntire $7.00