https://blog.shevarezo.fr/post/2020/09/30/comment-creer-liste-deroulante-excel-google-sheets-libreoffice-calc#:~:text=LibreOffice%20Calc,-La%20m%C3%A9thode%20pour&text=Sur%20la%20cellule%20qui%20doit,les%20%C3%A9l%C3%A9ments%20de%20la%20liste.
