@article{350170,
      author = {Yin, Robert K.},
      url = {http://library.usi.edu/record/350170},
      title = {Case study research : design and methods /},
      publisher = {Sage Publications,},
      recid = {350170},
      pages = {xiv, 219 p. :},
      address = {Los Angeles, Calif. :},
      year = {2009},
}