diff --git a/app.db b/app.db
index faf2d52..5e8f862 100644
Binary files a/app.db and b/app.db differ
diff --git a/app/forms.py b/app/forms.py
index 8b210c6..d8d700c 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -47,6 +47,7 @@ class ACForm(Form):
     code = StringField("Code", validators=[DataRequired(), Regexp("^AC\d{4}$", message="Le code doit être de la forme AC0000.")])
     titre = StringField("Titre", validators=[DataRequired()] )
     saes = StringField("SAEs", validators=[DataRequired(), validate_ref_list("^(\s*(SAE\d{2}\s+)*)$", message="Les saes doit être de la forme SAE00.")] )
+    ressources = StringField("Ressources", validators=[DataRequired(), validate_ref_list("^(\s*(R\d{3}\s+)*)$", message="Les ressources doit être de la forme R000.")] )
 
 class SAEForm(Form):
     regex = "^SAE\d{2}$"
@@ -92,6 +93,7 @@ class CompetenceForm(Form):
     niveaux = TextAreaField("Niveaux", validators=[DataRequired()] )
 
 categorie_liste = ["saes","ressources","acs"]
+categorie_to_model = {"saes": "SAE", "ressources": "Ressource", "acs": "AC"}
 separateur = None
 
 def form_import(form):
@@ -154,7 +156,7 @@ def form_sauvegarder(form):
             if categorie in categorie_liste:
                 resultat = []
                 refs = [ ref for ref in form[categorie].data.split(separateur) ]
-                ref_model = getattr(models, categorie.upper()[:-1])
+                ref_model = getattr(models, categorie_to_model[categorie])
                 for ref in refs:
                     ref_bdd = ref_model.query.filter_by(code=ref).first()
                     if ref_bdd == None:
diff --git a/app/models.py b/app/models.py
index 157a1bd..d276a74 100644
--- a/app/models.py
+++ b/app/models.py
@@ -28,7 +28,8 @@ class PN(db.Model):
 class AC(db.Model):
     code = db.Column(db.String(6), primary_key = True)
     titre = db.Column(db.String(255))
-    saes = db.relationship("SAE", secondary=SAEs_ACs, lazy=False, backref=db.backref("acs", lazy=False))
+    saes = db.relationship("SAE", secondary=SAEs_ACs, cascade="all, delete", lazy=False, backref=db.backref("acs", lazy=False))
+    ressources = db.relationship("Ressource", secondary=Ressources_ACs, cascade="all, delete", lazy=False, backref=db.backref("acs", lazy=False))
 
     def __repr__(self):
         return "<AC {}>".format(self.code)
@@ -42,8 +43,7 @@ class SAE(db.Model):
     projet = db.Column(db.String(3))
     description = db.Column(db.Text())
     coef = db.Column(db.String(255))
-    #acs = db.relationship("AC", secondary=SAEs_ACs, lazy=True, backref=db.backref("saes", lazy=True))
-    ressources = db.relationship("Ressource", secondary=Ressources_SAEs, lazy=False, backref=db.backref("saes", lazy=False))
+    ressources = db.relationship("Ressource", secondary=Ressources_SAEs, cascade="all, delete", lazy=False, backref=db.backref("saes", lazy=False))
     livrables = db.Column(db.Text())
     motscles = db.Column(db.String(255))
 
@@ -57,8 +57,6 @@ class Ressource(db.Model):
     heures_formation = db.Column(db.String(3))
     heures_tp = db.Column(db.String(3))
     coef = db.Column(db.String(255))
-    #acs = db.relationship("AC", secondary=Ressources_ACs, lazy=True, backref=db.backref("ressources", lazy=True))
-    #saes = db.relationship("SAE", secondary=Ressources_SAEs, lazy=True, backref=db.backref("ressources", lazy=True))
     prerequis = db.Column(db.String(255))
     contexte = db.Column(db.Text())
     contenu = db.Column(db.Text())
diff --git a/app/templates/AC.html b/app/templates/AC.html
index 78490a4..e371e32 100644
--- a/app/templates/AC.html
+++ b/app/templates/AC.html
@@ -8,6 +8,6 @@
 {{ render_field(form.code,"input") }}
 {{ render_field(form.titre,"input") }}
 {{ render_field(form.saes,"input") }}
-
+{{ render_field(form.ressources,"input") }}
 
 {% endblock %}
\ No newline at end of file