(3JYGjT GdeSdejf eY ZjQge aj VhA GdTQYjI hGdbGfhf (B/ s - (3cch , cQje eMeO s ((3GQHjd (B: s (3eWHYI hRGQI GdKbGaI , s, 2009)
Keywords: (3GdTQjYI GdGSdGejI s