Bell, T; Urhahne, D, Schanze, S and Ploetzner R. (2010). Collaborative inquiry learning: Models, tools and challenges. International journal of science education 3(1), 349-377.
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Bell, T., Urhahne, D., Schanze, S., R, P. (2010). Collaborative inquiry learning: Models, tools and challenges. International journal of science education, 3(1), pp. 349-377.
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