(3GdbGfhf GdOHdheGSj (B/ s - (3MehOg, efJUQ SYjO, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3OGQ GdacQ GdLGeYj, s, 2010)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B253-255.s
Keywords: (3GdOHdheGSjI(B.s; (3GdOHdheGSjI (B((3bGfhf Ohdj(B)s