S. Ludvigsen's publications

:ref:ludvigsensocial Ludvigsen, S., Lund, A., & S{\\”a}lj{\\”o}R. (no date). Social practices of group cognition in virtual math teams Gerry Stahl.
:ref:ludvigsensocial Ludvigsen, S., Lund, A., & S{\\”a}lj{\\”o}R. (no date). Social practices of group cognition in virtual math teams Gerry Stahl.
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