(3GdeQCI GdeSdeI (B: s (3h djS GdPcQ cGdCfKi (B/ s - (3GdCdHGfj, hgHj SdjeGf ZGhLjs ((3OeTb (B:s (3OGQ Gdbde,s, 1984)
Keywords: (3GdESdGe h GdeQCIs; (3GdeQCI aj GdESdGes