(3GdbdH h GdQFJjf h GdOhQI GdOehjI (B/ s ((3HjQhJ (B:s (3GdOGQ GdYQHjI ddYdhe,s, 2000)
Keywords: (3GdbdHs; (3GdQFIs; (3GdOhQI GdOehjIs; ((3SfI (B14-10) (3fGTFhf UZGQs