(3GdOQGeG GdJdjaRjhfjI h GdTHGH GdLGeYj (B:s (3OQGSI ejOGfjI (B/s - (3YHO GdMdje, eMj GdOjf s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj(B;(3OGQ GdcJGH GdMOjK ,s, 1984)
(3HjHdhZQGajG(B:(3U(B.766-468s
Keywords: (3GdJdjaRjhfjI s; (3GdTHGH s; (3GdLGeYj s; (3GdOQGeGs