(3GdJfajP GdLfGFi ai VhA GdbVGA hGdabI (B/ s - (3YHOGdMejO GdJfhQis ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1993)
Keywords: (3GdbGfhfs; (3bGfhf GdYbhHGJs