@article{475236,
      recid = {475236},
      author = {Pollock, Jane E., and Ford, Sharon M.},
      title = {Improving student learning one principal at a time  [electronic resource] /},
      publisher = {Association for Supervision and Curriculum Development,},
      address = {Alexandria, VA :},
      pages = {149 p. :},
      year = {2009},
      url = {http://library.usi.edu/record/475236},
}