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References
Falk Seeger
Notes on a semiotically inspired theory of teaching and learning![Open Access Link](images/OAlink.png)
2005
in: Activity and sign, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
![](https://sdvigpress.org/images/publi/_default.jpg)
2005
with Hoffmann Michael H. G. , Lenhard Johannes (ed)
Dordrecht, Springer
![Open Access Link](images/OAlink.png)
2005
in: Activity and sign, Dordrecht : Springer
2005
with Hoffmann Michael H. G. , Lenhard Johannes (ed)
Dordrecht, Springer