by Dr. P. A. van Der Weij $7.00
by Ir. M. Lies Suprapti $6.00
by H. Rahmat Rukmana $6.00
by AAK (Aksi Agraris Kanisius) $6.00
by Hutabarat, Sahala & Evans, Stewart M $5.00
by Martha Mary McGraw, CSJ $5.00