(3GdOaY HYOe GdbHhd aj GdehGO GdeOfjI hGdLfGFjI (B/ s - (3MSf , Ydj YhV s ((3GdGScfOQjI (B: s (3OGQ GdeWHhYGJ GdLGeYjI , s, 1996)
Keywords: (3eMGce GdGSJFfGa s