diff --git a/biscuit/apps/alsijil/models.py b/biscuit/apps/alsijil/models.py
index 492fac1b7c971e6a9b71eeb5bc58f6481d8891b1..fba3ece6792d56d518a4241b97b145d3bb0adae9 100644
--- a/biscuit/apps/alsijil/models.py
+++ b/biscuit/apps/alsijil/models.py
@@ -1,2 +1,32 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
+
+from biscuit.chronos.util import current_week
+from biscuit.core.mixins import SchoolRelated
+
+
+class PersonalNote(SchoolRelated):
+    person = models.ForeignKey('core.Person', models.CASCADE)
+
+    week = models.IntegerField()
+    lesson_period = models.ForeignKey('chronos.LessonPeriod', models.CASCADE)
+
+    absent = models.BooleanField(default=False)
+    late = models.IntegerField(default=0)
+    excused = models.BooleanField(default=False)
+
+    remarks = models.CharField(max_length=200, blank=True)
+
+    class Meta:
+        unique_together = [['school', 'lesson_period', 'week', 'person']]
+
+
+class LessonDocumentation(SchoolRelated):
+    week = models.IntegerField()
+    lesson_period = models.ForeigbKey('chronos.LessonPeriod', models.CASCADE)
+
+    topic = models.CharField(verbose_name=_('Lesson topic'), max_length=200)
+    homework = models.CharField(verbose_name=_('Homework'), max_length=200)
+
+    class Meta:
+        unique_together = [['school', 'lesson_period', 'week']]
diff --git a/pyproject.toml b/pyproject.toml
index cbaa9ca1ef03cc219610a5714d74b4a94f43b991..f1413a016e5c23b4ff88b8f447cf65201aeb8677 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.7"
 BiscuIT-ng = {version = "^1.0a0.dev0", allows-prereleases = true, path = "../../.."}
-BiscuIT-App-Alsijil = {version = "^1.0a0.dev0", allows-prereleases = true, path = "../BiscuIT-App-Alsijil"}
+BiscuIT-App-Chronos = {version = "^1.0a0.dev0", allows-prereleases = true, path = "../BiscuIT-App-Chronos"}
 
 [build-system]
 requires = ["poetry>=0.12"]