(3Gdchf ai bTQI LhR (B( (3YGde GdeYQaI (B291 )s ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 2002)
Keywords: (3GdJfHDs; (3Gdchfs; (3JWhjQGdeLJeYs