(3ebOeI dOQGSI GdbGfhf GdOhdj GdYGe (B/ s - (3YGeQ, UdGM GdOjf, s ((3GdbGgQI (B[(3eUQ(B] : s (3OGQ GdfgVI GdYQHjI, s, 2007)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdOhdj GdYGe(B.s; (3GdYdGbGJ GdOhdjI(B.s; (3GdefGRYGJ GdOhdjI(B.s