@article{192195,
      author = {Hogan, Kathleen. and Pressley, Michael.},
      url = {http://library.usi.edu/record/192195},
      title = {Scaffolding student learning : instructional approaches  and issues /},
      publisher = {Brookline Books,},
      recid = {192195},
      pages = {198 p. :},
      address = {Cambridge, Mass. :},
      year = {1997},
}