(3ShQjG hadSWjf JMJ GdMce GdYKeGfi (B/ s - (3jGRjdi bSWfWjfs; (3WGQb eYUQGfi (B((3eJQLe(B)s ([S.N] : (3OGQ GdJbOe , s, 1989)
Keywords: (3GdYGde GdYQHis; (3JGQjNs; (3OhdI GdeeGdjcs; (3ShQjGs; (3adSWjfs; (3GdGeHQGWhQjI GdYKeGfjIs; (3GdYGde GdYQHi (B- (3JGQjN (B- (3GdYUQ GdYKeGfis