@article{729066,
      author = {Oers, B. van},
      url = {http://library.usi.edu/record/729066},
      title = {The transformation of learning advances in  cultural-historical activity theory / [electronic resource]  :},
      publisher = {Cambridge University Press,},
      recid = {729066},
      pages = {1 online resource (xiv, 401 p.) :},
      address = {New York ;},
      year = {2008},
}