@article{911222,
      recid = {911222},
      author = {Barrientos, Armando.},
      title = {Social assistance in developing countries/},
      publisher = {Cambridge University Press,},
      address = {Cambridge :},
      pages = {xiii, 256 p. :},
      year = {2013},
      url = {http://library.usi.edu/record/911222},
}