- – Cover of the magazine Dignus n.º 6 – 1st quarter 2021.
- – Summary of the magazine Dignus n.º 6 – 1st quarter 2021.
* In the newsletter; in the website and in the social networks of the magazine (manufacturer):
-BERNSTEIN:
- https://www.dignus.pt/newsletter/dignus_17dez.html
- https://www.dignus.pt/newsletter/dignus_22abr.html
- https://www.dignus.pt/newsletter/dignus_20mai.html
- https://www.dignus.pt/newsletter/dignus_08jul.html
- https://www.dignus.pt/newsletter/dignus_09set.html
- https://www.dignus.pt/newsletter/dignus_21jul.html