(3UaGJ GdOGYjI (B/s - (3GdYeGQ, MeO Hf fGUQ Hf YHO GdQMefs 1382 (3gLQj(B-s ((3GdQjGV (B:s (3OGQ ETHjdjG ddfTQ hGdJhRjY,s, 1999)
Keywords: (3GdOYhI GdESdGejIs; (3GdhYX hGdEQTGOs