(3GdfaGb (B:s (3BKGQg heaGgjeg (B/s - (3GdOhSQj, YHO GdQMef Hf Ydj Hf YHO GdQMefs 1372 (3gLQj(B-s ((3GdQjGV (B:s (3ecJHI GdQTO ,s, 1984)
Keywords: (3GdfaGbs; (3GdBOGH GdESdGejIs -- (3GdHYO Yf GdQPGFds; (3GdCNdGb GdESdGejIs