@article{1482970,
      author = {Valenzuela, Jorge},
      url = {http://library.usi.edu/record/1482970},
      title = {Project-based learning+, grades 6-12 : Enhancing academic,  social, and emotional learning /},
      recid = {1482970},
      pages = {1 online resource (xiii, 181 pages) :},
}