@article{139776,
      author = {Cangelosi, James S.},
      url = {http://library.usi.edu/record/139776},
      title = {Teaching mathematics in secondary and middle school :  research-based approaches /},
      publisher = {Merrill ;},
      recid = {139776},
      pages = {xx, 346 p. :},
      address = {New York :},
      year = {1992},
}