(3hLhH GYaGA GddMjI (B:(3ddGeGe GdeMOK GdYdGeI GdTjN eMeO RcQjG GdcGfhgdhi (B/ s - (3aQjO Hf Gejf GdgfOGhis; (3YHOGdYRjR Hf HGRs ([S.N] : (3efThQ ecJHI GdSfg HGdbGgQI , s, 1987)