@article{790982,
      author = {Campbell, R. J.},
      url = {http://library.usi.edu/record/790982},
      title = {Assessing teacher effectiveness developing a  differentiated model / [electronic resource] :},
      publisher = {RoutledgeFalmer,},
      recid = {790982},
      pages = {viii, 228 p.},
      address = {London :},
      year = {2004},
}