In this book, Patrick Geffard analyzes both the practice and theory of groups as proposed by institutional pedagogy, and how this pedagogy itself, historically and structurally, relates to intergenerational dynamics—how groups form, dissolve, face crises, and regenerate.
Group Experiences in Institutional Pedagogy

References
Geffard, P. (2018). Expériences de groupes en pédagogie institutionnelle. Paris : L’Harmattan.