@article{459345,
      recid = {459345},
      author = {Wiggins, Grant P., and McTighe, Jay. and Wiggins, Grant  P.,},
      title = {The Understanding by design guide to advanced concepts in  creating and reviewing units [electronic resource] /},
      publisher = {ASCD,},
      address = {Alexandria, Va. :},
      pages = {x, 136 p. :},
      year = {2012},
      url = {http://library.usi.edu/record/459345},
}