(3Yde GdfaS GdJQHhj (B: s (3fXQI eYGUQI (B/ s - (3YOS, YHO GdQMefs ((3YeGf (B:s (3OGQ GdacQ ddWHGYI hGdfTQ hGdJhRjY,s, 1998)
Keywords: (3Yde GdfaS GdJQHhjs