diff --git a/studies_base/models/study_study.py b/studies_base/models/study_study.py
index af5bd74..056850c 100644
--- a/studies_base/models/study_study.py
+++ b/studies_base/models/study_study.py
@@ -2,6 +2,9 @@
 from odoo import api, fields, models, _
 from odoo import osv
 from odoo.exceptions import UserError
+import logging
+
+_logger = logging.getLogger(__name__)
 
 
 class StudyStudy(models.Model):
@@ -13,7 +16,9 @@ class StudyStudy(models.Model):
     period_start = fields.Datetime("Début de l'étude")
     period_end = fields.Datetime("Fin de l'étude")
     progress_status_id = fields.Many2one(
-        "study.progress.status", string="Avancement de l'étude"
+        "study.progress.status",
+        string="Avancement de l'étude",
+        domain="[('study_id', '=', id)]",
     )  # should be computed to actual progress status
     progress_status = fields.One2many(
         "study.progress.status", "study_id", "All progress status"
@@ -72,8 +77,24 @@ class StudyStudy(models.Model):
 
     note = fields.Text("Annotations")
 
-    created = fields.Datetime("Created")
-    updated = fields.Datetime("Updated")
+    created = fields.Datetime(
+        "Created", readonly=True, compute="_compute_created", store=True
+    )
+    updated = fields.Datetime(
+        "Updated", readonly=True, compute="_compute_updated", store=True
+    )
+
+    @api.depends("create_date")
+    def _compute_created(self):
+        for record in self:
+            if not record.created:
+                record.created = record.create_date
+
+    @api.depends("write_date")
+    def _compute_updated(self):
+        for record in self:
+            _logger.info(f"Record ID: {record.id}, write_date: {record.write_date}")
+            record.updated = record.write_date
 
     active = fields.Boolean("Actif", default=True)
 
diff --git a/studies_base/views/study_study_views.xml b/studies_base/views/study_study_views.xml
index 24affe7..b8cb4d3 100644
--- a/studies_base/views/study_study_views.xml
+++ b/studies_base/views/study_study_views.xml
@@ -3,14 +3,14 @@
     <!-- TREE VIEW -->
     <record id="view_study_study_tree" model="ir.ui.view">
         <field name="name">study.study.tree</field>
-        <field name="model">study.study</field>        
+        <field name="model">study.study</field>
         <field name="arch" type="xml">
-            <tree string="Études">                
-                <field name="title"/>            
-                <field name="name"/>            
-                <field name="period_start"/>            
-                <field name="period_end"/>            
-                <field name="progress_status_id"/>                
+            <tree string="Études">
+                <field name="title"/>
+                <field name="name"/>
+                <field name="period_start"/>
+                <field name="period_end"/>
+                <field name="progress_status_id"/>
             </tree>
         </field>
     </record>
@@ -18,7 +18,7 @@
     <!-- FORM VIEW -->
     <record id="view_study_study_form" model="ir.ui.view">
         <field name="name">study.study.form</field>
-        <field name="model">study.study</field>        
+        <field name="model">study.study</field>
         <field name="arch" type="xml">
             <form string="Étude">
                 <header>
@@ -28,7 +28,7 @@
                     <div class="oe_button_box" name="button_box">
                         <!-- big buttons -->
                     </div>
-                
+
                     <div class="oe_title">
                         <h1>
                             <label for="title" string="Nom de l'étude" /><field name="title" />
@@ -44,18 +44,18 @@
                             <field name="progress_status_id" />
                         </group>
                         <group name="study_status_right">
-                            
+
                         </group>
                     </group>
                     <group name="description" string="Description">
-                        <group name="description_left">  
-                            <field name="description_summary" />                          
+                        <group name="description_left">
+                            <field name="description_summary" />
                             <field name="description" />
                             <field name="keywords" widget="many2many_tags" />
                         </group>
                         <group name="description_right">
-                            <field name="primary_purpose_type" />     
-                            <field name="part_of" />                            
+                            <field name="primary_purpose_type" />
+                            <field name="part_of" />
                             <field name="version" />
                             <field name="phase" />
                             <field name="status" />
@@ -63,13 +63,13 @@
                     </group>
                     <group name="technique" string="Technique">
                         <group name="technique_left">
-                            <field name="site" />                            
+                            <field name="site" />
                             <field name="identifier_author" />
                         </group>
                         <group name="technique_right">
                             <field name="identifier_primary_id" />
-                            <field name="create_date" />
-                            <field name="write_date" />
+                            <field name="created" />
+                            <field name="updated" />
                         </group>
                     </group>
                     <notebook>
@@ -92,7 +92,7 @@
                                     <field name="region" widget="many2many_tags" />
                                 </group>
                             </group>
-                        </page>                                                
+                        </page>
                         <page string="Notes" name="notes">
                             <field name="note" />
                         </page>
@@ -101,13 +101,28 @@
             </form>
         </field>
     </record>
-       
-        
+
+
     <!-- ACTIONS -->
     <record id="action_study_study" model="ir.actions.act_window">
         <field name="name">Études</field>
         <field name="type">ir.actions.act_window</field>
-        <field name="res_model">study.study</field>        
+        <field name="res_model">study.study</field>
     </record>
-        
+
+    <!-- SEARCH -->
+    <record id="view_study_study_search" model="ir.ui.view">
+        <field name="name">study.study.search</field>
+        <field name="model">study.study</field>
+        <field name="arch" type="xml">
+            <search string="Études">
+                <field name="title" string="Nom de l'étude" />
+                <field name="name" string="Acronyme" />
+                <field name="identifier_primary_id" string="Seintinelles ID"/>
+                <field name="period_start" string="Date de début" />
+                <field name="period_end" string="Date de fin" />
+            </search>
+        </field>
+    </record>
+
 </odoo>
\ No newline at end of file