@article{452873,
      author = {Bruner, Jerome S.},
      url = {http://library.usi.edu/record/452873},
      title = {Toward a theory of instruction,},
      publisher = {W.W. Norton & Co.},
      recid = {452873},
      pages = {x, 176 p.},
      address = {New York,},
      year = {1968},
}