(3GdMeGjI GdLfGFjI dMQeI GdMjGI GdNGUI ai ehGLgI GdUMGaI(B/s - (3eMeO eMeO GdTgGhis ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2001)
(3jJVef bGFeI eQGLY (B202-210s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFi(B.s; (3GdMeGjI GdLfGFjI ddMjGI GdNGUIs