@article{381122,
      author = {Guerra-López, Ingrid.},
      url = {http://library.usi.edu/record/381122},
      title = {Evaluating impact: evaluation and continual improvement  for performance improvement practitioners /},
      publisher = {HDR Press,},
      recid = {381122},
      pages = {172 p. :},
      address = {Amherst, Mass. :},
      year = {2007},
}