by A. W. van den Ban & H. S. Hawkins $12.00
by Ir. H. Rahmat Rukmana $6.00
by Dr. Muhammad al-Bahi $5.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $6.00
by Kathy Kacer $6.00
by F.W. Dillistone $9.00
by H. Rahmat Rukmana $5.00