(3GdefgGL GdHOjY aj GMGOjK GdTajY Udi Gddg Ydjg hSde (B/s - (3GdGfSi , eMeO Ydj s ((3UjOG (B[(3dHfGf(B] : s (3GdeWHYI GdYUQjI , s, 1950)
Keywords: (3GdMOjKs