@article{1387760,
      author = {Walz, Steffen P., and Deterding, Sebastian,},
      url = {http://library.usi.edu/record/1387760},
      title = {The gameful world : approaches, issues, applications /},
      abstract = {What if every part of our everyday life was turned into a  game? The implications of "gamification."},
      recid = {1387760},
      pages = {1 online resource (ix, 676 pages) :},
}