@article{221139,
      recid = {221139},
      author = {Posavac, Emil J. and Carey, Raymond G.},
      title = {Program evaluation : methods and case studies /},
      publisher = {Prentice Hall,},
      address = {Upper Saddle River, N.J. :},
      pages = {xiv, 305 p. :},
      year = {1997},
      url = {http://library.usi.edu/record/221139},
}