(3gOGjI GdMjGQi aj CLhHI GdjghO hGdfUGQi (B/s - (3GHf bje GdLhRjI, eMeO Hf CHj HcQ Hf CjhHs 691-751 (3gLQjG(B.s; (3GdTdHj , eUWai CHh GdfUQs ((3LOI (B:s (3ecJHI GdShGOj ;s, 1997)
Keywords: (3GdESdGes -- (3OaY eWGYfs; (3GdESdGe hGdeSjMjIs; (3GdESdGe hGdjghOs