offre sur https://je-participe.fr/goliath-paint-station-printemps2019/
modalités sur https://je-participe.fr/carbone/BoApplication/Ressources/Scripts/controls/ckeditor/kcfinder/upload/misc/Goliath/1502%20-%20Modalit%C3%A9s%20Goliath%20Paint%20Station.pdf