(3GdefgLjI GdGSdGejI hGdYdhe GdSdhcjI hGdJQHhjI (B: (3HMhK hefGbTGJ GdeDJeQ GdYGdej GdQGHY ddacQ GdGSdGej (B/s - (3GdYdhGfj , Wg LGHQ s ((3GdhdGjGJ GdeJMOI GdGeQjcjI (B/s (3GdeYgO GdYGdej ddacQ GdGSdGej ,s, 1990)
Keywords: (3GdKbGaI GdGSdGejI s