(3JcfhdhLjG GdUMGaI aj YUQ GdJbfjI GdQbejI (B/ s - (3GdfLGQ, SYjO GdZQjH, s ((3GdbGgQI (B[(3eUQ(B] : s (3GdOGQ GdeUQjI GddHfGfjI, (B430 (3g`(B. = 2009.s, 2009)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B299-319.s
Keywords: (3GdUMGaIs -- (3JbfjI GdeYdheGJ(B.s; (3GdUMGaI GdGdcJQhfjI(B.s; (3GdUMGaIs -- (3eYGdLI GdHjGfGJ(B.s