(3GNHGQGdXQGa hGdeJeGLfjf(B:s - (3GHf GdLhRj,GHj GdaQL YHO GdQMef Hf Ydj s ((3HjQhJ (B:s (3OGQ GHf MRe ,s, 2001)
Keywords: (3GdQLGd (B-(3JQGLe s