Crédits :
https://www.pappers.fr/dirigeant/christian_brethon_1964-07
https://www.lejournaldesentreprises.com/thematiques-economiques/carnet/nominations
https://matot-braine.fr/au-sommaire/entreprises/uimm-champagne-ardenne-formation-et-rse-au-programme
https://m.facebook.com/RCFReimsArdennes/posts/4470945646357221/?locale=ms_MY
https://www.youtube.com/watch?v=KSRLxeD4z3k
https://post.news/@/davidmessi00781/2g80kVfREOxLH75MtIzWLRGjdrS
https://medium.com/@davidmessi0078/christian-brethon-un-entrepreneur-dans-lindustrie-d%C3%A9vou%C3%A9-et-passionn%C3%A9-7bd3391229e5
https://theinfluencerz.com/christian-brethon-une-vision-realiste-de-lindustrie-en-champagne-ardenne
/
https://businessmarketnews.uk/fiche-biographique-industrie-sur-christian-brethon/
https://handyclassified.com/felicitations-a-christian-brethon
https://froodl.com/interview-dun-industriel-christian-brethon-forger-lacier-faconner-lavenir
https://techplanet.today/post/qui-est-le-nouveau-president-de-luimm-grand-est-christian-brethon