(3eLdI GdYOGdI(B.s (3CHQjd (B1977 /s ((3GdEeGQGJ GdYQHjI GdeJMOI(B:s (3hRGQI GdYOd hGdTDhf GdGSdGejI hGdChbGa,s, 1977)
(3GdSdWI GdbVGFjI (B/s (3GMeO egOj GdOjhGfj(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 GdQGHYI(B: (3GdYOO GdQGHY YTQ(B.s
Keywords: (3GdTQjYI GdESdGejIs -- (3OhQjGJs