codes
https://dupontdenis.github.io/revisionMethods/
Etudes des transformations
https://dupontdenis.github.io/studentsAll/index.html
Affichage en cohortes : Bootstrap[accordion]
https://dupontdenis.github.io/cohorteAccordeon/
Affichages en cohortes : Grid
https://dupontdenis.github.io/cohorteStudents/