Extension of submission deadline: thematic issue 2026

Due to several requests from potential authors for additional time to refine their manuscripts, we have decided to extend the submission deadline for the special issue of Quadrante dedicated to “Contributions of Mathematics Education Research to Sustainable Development” (call for papers here: https://quadrante.apm.pt/announcement/view/316).

The new deadline for manuscript submissions is July 20, 2026.

Manuscript submission information:

The call for papers invites original theoretical or empirical contributions that align with the theme of the thematic issue. Submissions are accepted in Portuguese, Spanish, English, or French, and must not exceed 8000 words, adhering to the publication norms of Quadrante, available at https://quadrante.apm.pt/index.php/quadrante/about/submissions. 

Each manuscript will undergo a double-blind peer-review process.  

Editors:

Hans Stefan Siller, University of Würzburg, Germany

Hélia Oliveira, University of Lisbon, Portugal

Susana Carreira, University of Algarve, Portugal