(3SjchdhLjI GdYdGbGJ Hjf GdLeGYGJ(B((3YGde GdeYQaI(B326 (3GHQjd (B2006)s ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 2006)
Keywords: (3GdJYUHs; (3GdJcja GdGLJeGYis; (3GdJaGYd GdGLJeGYis; (3GdPGJs; (3GdLeGYGJ(B- (3GdMjGI GddELJeGYjIs