by Drs. Bambang S., dkk $9.00
by Drs. Sudiyono, M.Si $6.00
by Prof. Drs. Piet A. Sahertian $7.00
by - $13.00
by Untung Sukardji $12.00
by John D. Martin $9.00
by Azzura Dayana $7.00
by Lanny Soechan $6.00
by Lilly T. Erwin $13.00
by Elizabeth Young $11.00