(3GdehLR aj Yde aSjhdhLjG GdfHGJ (B/s - (3GdfGOj, eMeO aJMjs ((3GdbGgQI (B:s [(3O(B. (3f(B.](3,s, 2007)
(3HHdjhLQGajI(B: (3U(B. 288-290.s
Keywords: (3GdfHGJs -- (3aRjhdhLjG(B.s; (3GdfHGJs -- (3JTQjM(B.s