(3bGfhf Qbe (B47 (3dSfI (B1978 (3HGUOGQ bGfhf fXGe GdYGedjf GdeOfjjf HGdOhdI h GdbhGfjf GdeYOdI dI (B/ s ((3GdbGgQI (B: s (3LGeYI GdbGgQI ,s, 1984)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfh GdGOGQi s; (3GdhXGFa GdYGeI s