Christof Schreiber

Semiotic processes in chat-based problem-solving situations

Christof Schreiber, Christof Schreiber, 2013 .

The use of artifacts and different representations by producing mathematical audio-podcasts

Christof Schreiber, Rebecca Klose, 2017 .

Semiotic processes in chat-based problem-solving situations

Christof Schreiber, 2012, Educational Studies in Mathematics.

SEMIOTIC ANALYSIS OF COLLECTIVE CHAT-BASED PROBLEM-SOLVING PROCESSES

Christof Schreiber, 2012 .

Semiotic Analysis of Collective Problem-Solving Processes using Digital Media

Christof Schreiber, 2016 .