@article{490913,
      note = {"A joint publication Solution Tree NAESP."},
      author = {DuFour, Richard, and DuFour, Rebecca Burnette.},
      url = {http://library.usi.edu/record/490913},
      title = {Essentials for principals the school leader's guide to  professional learning communities at work / [electronic  resource] :},
      publisher = {Solution Tree Press,},
      recid = {490913},
      pages = {ix, 100 p.},
      address = {Bloomington, Ind. :},
      year = {2012},
}