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SO STEF
The 2023-2024 edition of our SO STEF magazine is online!
So STEF is the Group's annual magazine, launched in 2022. Translated into 7 languages, it is sent to our 22,000…
![SO STEF magazine](/suisse/sites/stef_ch/files/styles/584_458_retina/public/2024-06/SO%20STEF%202024%20%289%29.png.webp?itok=ZDnOzfwJ)