by Drs. Sudarso $6.00
by Hiqmad M. Pilliangsani $4.30
by Jo Condrill & Bennie B., Ph.D $7.00
by Drs. H. Abu Ahmadi $11.00
by $7.00
by Howard Schultz $13.00
by Cernea. Michael M $9.00
by Jerry Hoff & Penyunting: Gregory J. Churchill $140.00
by - $12.00