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Wichmann, Astrid; Hecking, Tobias; Elson, Malte; Christmann, Nina; Herrmann, Thomas; Hoppe, H. Ulrich (August 2016). Group Formation for Small-Group Learning. In: OpenSym '16: The International Symposium on Open Collaboration (pp. 1-4). New York, NY, USA: ACM 10.1145/2957792.2965662