(3GdfXGe GdSjGSj GdEQgGHj GdESQGFjdj (B:s (3OQGSI ebGQfI eY GdfGRjI h GdaGTjI h GdfXGe GdYfUQj aj LfhH GaQjbjG (B/s - (3MQjR,YHO GdfGUQ s ((3GdbGgQI (B:s (3ecJHI eOHhdj ,s, 1997)
Keywords: (3GdEQgGHj GdESQGFjdj s; (3GdaGTjIs; (3GdfGRjIs; (3GdfXGe GdSjGSjs