@article{905386,
      recid = {905386},
      author = {Jonassen, David H.,},
      title = {Learning to solve problems a handbook for designig  problem-solving learning environments / [electronic  resource] :},
      publisher = {Routledge,},
      address = {New York, NY :},
      pages = {xxvii, 437 p. :},
      year = {2010},
      url = {http://library.usi.edu/record/905386},
}