(3GdEaQGL GdTQWi ai VhA GdSjGSI GdYbGHjI GdMOjKI (B/s - (3eMeO YjO GdZQjH s ([(3ecGf GdfTQ ZjQ eMOO(B] : s (3OGQ GdEjeGf ddWHGYI,s, 1984)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Yde GdSjGSI GdLfGFjI s; (3GdbGfhf GdLfGFi s