(3eLdI GdYOGdI(B.s (3CHQjd (B1983 /s ((3GdEeGQGJ GdYQHjI GdeJMOI(B:s (3hRGQI GdYOd hGdTDhf GdGSdGejI hGdChbGa,s, 1983)
(3GdSdWI GdJbOjQjI ddEOGQI (B/s (3O(B. (3YHOGdHGbj fYeI YHOGddg(B.s
(3eLdI bGfhfjI JYfi HEMjGA GdJQGK Gdabgj GdESdGej hGdCHMGK GdbGfhfjI GdeYGUQI hGdOQGSGJ GdCLfHjI GdebGQfI hfTQ GdGLJgGO GdbVGFj aj OhdI GdEeGQGJ GdYQHjI GdeJMOI(B.s
(3GdSfI GdYGTQI(B: (3GdYOO GdNGeS hGdKdGKhf(B.s
Keywords: (3GdTQjYI GdESdGejIs -- (3OhQjGJs