(3GdeQGMd GdefgLjI dEYOGO QSGFd GdeGLSJjQ hGdOcJhQGg (B/s - (3YHO GdfGUQ GHh RjOs (b, 2008)
. 232-229 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdYGes; (3GdbGfhf GdOhdj GdYGes