(3TYQ GdUMGHj YOj Hf MGJe GdWGFj (B((3ef eNVQej GdLGgdjI h GdESdGe(B) / s - (3YdGhfI, TQja QGZHs; (3GdWGFj, YOj Hf MGJes ((3YeGf (B:s (3OGQ GdefGgL,s, 2005)
Keywords: (3GdTYQ GdYQHjs; (3GdTYQGA GdYQHs; (3GdYUQ GdLGgdjs; (3GdYUQ GdESdGejs