External representation of argumentation in CSCL and the management of cognitive load

@article{Bruggen2002ExternalRO,
  title={External representation of argumentation in CSCL and the management of cognitive load},
  author={van Jm Jan Bruggen and Paul A. Kirschner and Wmg Wim Jochems},
  journal={Learning and Instruction},
  year={2002},
  volume={12},
  pages={121-138}
}

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