@article{907648,
      author = {Wragg, E. C.},
      url = {http://library.usi.edu/record/907648},
      title = {An introduction to classroom observation [electronic  resource] /},
      publisher = {Routledge,},
      recid = {907648},
      pages = {xi, 153 p. :},
      address = {Milton Park, Abingdon, Oxon ;},
      year = {2012},
}