(3GdUOGbI aj GdEWGQ GdTQYj (B:s (3fXQGJ ESdGejI aj gPg GdYdGbI GdEfSGfjI (B/s - (3GdRfjOj, YHO GdQMef Hf RjO Hf YHO Gddgs 1376 (3gLQjG(B-s ((3GdQjGV (B:s (3ecJHI GdhQGb,s, 1994)
(3HHdjhLQGajI (B: (3U(B. 139-143.s
Keywords: (3GdCNdGb GdESdGejIs; (3GdUOGbIs; (3GdESdGe hGdUOGbIs