by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Dr. Franz Magnis Suseno, SJ $11.00
by Prof. Dr. M. Mutawalli asy-Sya'rawi $12.00
by Gregorius C. Higgins $6.00
by Prof. Dr. Kees Bertens, MSC $13.00
by Ir. H. Rahmat Rukmana $6.00