(3GdVjGA GddGeY ef GdNWH GdLhGeY (B/s - (3GdYKjejf, eMeO Hf UGdM Hf eMeO,s 1347-1421 (3gLQjG(B.s ((3LOI, GdSYhOjI (B:s (3ecJHI GdShGOj,s, 1988)
Keywords: (3GdhYX hGdEQTGOs