(3eda JLOjO GdefRd JLOjO h JLejd GdefRd (B/ s - (3eQcR GdJYQjH hGdHQeLIs; (3cGSd (B. (3LhdjGfs ((3HjQhJ (B: s (3GdOGQ GdYQHjI ddYdhe , s, 2000)
Keywords: (3GdOjchQ GdOGNdis; (3GdeHGfi (B- (3UjGfIs; (3GdeSGcf (B- (3JLejds