(3GdGSS GdLeGdjI aj GdfbO GdYQHj(B:s - (3GSeGYjd,YR GdOjfs ((3HZOGO(B:s (3OGQ GdTDhf GdKbGajI,s, 1986)
Keywords: (3GdGOH GdYQHj(B-(3fbOs