@article{437249,
      author = {Townsend, Tony. and Ávalos, Beatrice.},
      url = {http://library.usi.edu/record/437249},
      title = {International handbook of school effectiveness and  improvement [electronic resource] /},
      publisher = {Springer,},
      recid = {437249},
      pages = {1 online resource (2 v.) :},
      address = {Dordrecht :},
      year = {2007},
}