@article{463284,
      author = {Kingore, Bertie W.},
      url = {http://library.usi.edu/record/463284},
      title = {Differentiation : simplified, realistic, and effective :  how to challenge advanced potentials in mixed-ability  classrooms /},
      publisher = {Professional Associates Pub.,},
      recid = {463284},
      pages = {182 p. :},
      address = {Austin, Tex. :},
      year = {2004},
}