181 (3HWGbI ddJejR GdEOGQj (B: s (3eYdheGJ EOGQjI dQaY eSJhi COGFc hGNJUGQ LgOc hhbJc (B/ s ((3GdchjJ (B: s (3OGQ GdEHOGY GdacQj ddfTQ hGdJhRjY , s, 2007)
Keywords: (3GdEOGQI; GdJejR GdEOGQj; JWhjQ GdCOGAs