@article{947676,
      recid = {947676},
      author = {Grinnell, Richard M., and Gabor, Peter and Unrau, Yvonne  A.,},
      title = {Program evaluation for social workers : foundations of  evidence-based programs /},
      pages = {1 online resource (430 pages) :},
      url = {http://library.usi.edu/record/947676},
}