(3GdbGfhf GdOhdj GdYGe aj GdSde h GdMQH(B/s - (3GdTGaYj eMeO HTjQ(B.s ((3GdefUhQI(B:s (3ecJHI GdLdGA GdMOjKI(B,s, 1976)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3bGfhf Ohdj YGes