(3edGeM ai abI GddgLGJ GdYQHjGJ ef GdGcGOjI hGdcfYGfjI hMJi GdSHFjI hGdYOfGfjI (B/ s - (3eMeO HgLJ bHjSjs ((3ShQjG (B: s (3OGQ TeCd , s, 2000)
Keywords: (3GddgLGJs; (3GddZI GdYQHjI (B- (3GddgLGJs; (3GddZI GdYQHjI (B- (3JGQjNs; (3GddgLI GdGjdGFjIs