(3eSdMI GdMfaj bQGAI aj JGQjN eMQe(B:s - (3GdMdGb ,LeGd Ydj s ((3HZOGO(B:s (3efThQGJ GdLed chdhfjG (B((3GdeGfjG (B)(3,s, 2009)
Keywords: (3GdYGde GdGSdGej(B-(3JGQjNs