(3OQGSI GhdjI Mhd fXGe GdGeJMGfGJ GdQSejI aj dHfGf (B"(3hGbYg hGecGfjI JWhjQg (B" s - (3GdeQcR GdJQHhj ddHMhK hGdGfeGA ecJH GdHMhK GdJQHhj (B: (3hMOI GdJNWjWs ((3HjQhJs (3GdeQcR GdJQHhj ddHMhK hGdGfeGAs, 1997)
Keywords: (3GdJQHjI hGdJYdje (B-- (3OQGSI (B-- (3fXGe GdGeJMGfGJ (B-- (3dHfGf s; (3fXGe GdGeJMGfGJ GdQSejI (B-- (3dHfGf (B-- (3OQGSI s