@article{101132,
      note = {Prepared for the Government of Tonga by the World Tourism  Organization acting as executing agency for UNDP.},
      url = {http://digitallibrary.un.org/record/101132},
      title = {The economic impact of international tourism on the  national economy of Tonga.},
      publisher = {UNDP :},
      recid = {101132},
      pages = {34 p. :},
      address = {Madrid :. 1988},
      year = {1988},
}