(3GdThGQO aj GddZI (B/s - (3GdUZGfj , QVi GdOjf GdMSf Hf eMeO(B.s ((3HZOGO (B:s (3eWHYI GdeLeY GdYdej GdYQGbj ,s, 1983)
Keywords: (3GddZI GdYQHjI (B.s