(3ecGfI GdLZQGajG ef GdKbGaI GdGSdGejI (B/ s - (3YHOGdaJGM eMeO hgjHIs ([S.N] : (3LGeYI HjQhJ GdYQHjI , s, 1979)
Keywords: (3GdKbGaI GdGSdGejIs; (3GdQMdGJs; (3GdLZQGajG GdJGQjNjIs; (3GdYdhe YfO GdYQHs; (3GdMVGQI GdGSdGejIs