(3GdKbGaI GdJdaRjhfjI(B: (3SWhI GdTGTI hHQhR GdNUj (B/ s ((3OHj (B: s (3eDSSI SdWGf Hf Ydj GdYhjS GdKbGajI , s, 2007)
Keywords: (3GdEYdGe GdeQFj; GdKbGaI GdJdaRjhfjI; OQGSGJ GLJeGYjIs