(3GdNHR ai GdeGKhQGJ GdTYHjI (B: s (3OQGSI ai GdGWGdS GdahdcdhQjI (B/ s - (3SejM YHOGdZaGQ TYdGfs ((3GdbGgQI (B: s (3Yjf ddOQGSGJ hGdHMhK GdGfSGfjI hGdGLJeGYjI , s, 2002)
Keywords: (3GdGaQGfs; (3GdNHRs; (3GdNHR (B- (3JNRjfs