diff --git a/University/DatabaseImplement/Implements/ExaminationResultStorage.cs b/University/DatabaseImplement/Implements/ExaminationResultStorage.cs
index 86f2495..94650ec 100644
--- a/University/DatabaseImplement/Implements/ExaminationResultStorage.cs
+++ b/University/DatabaseImplement/Implements/ExaminationResultStorage.cs
@@ -3,6 +3,7 @@ using UniversityContracts.SearchModels;
 using UniversityContracts.StoragesContracts;
 using UniversityContracts.ViewModels;
 using UniversityDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
 
 namespace UniversityDatabaseImplement.Implements
 {
@@ -11,14 +12,21 @@ namespace UniversityDatabaseImplement.Implements
         public List<ExaminationResultViewModel> GetFullList()
         {
             using var context = new UniversityDatabase();
-            return context.ExaminationResults.Select(x => x.GetViewModel).ToList();
+            return context.ExaminationResults
+                .Include(x => x.StudentExaminationResults)
+                .ThenInclude(x => x.Student)
+                .Select(x => x.GetViewModel).ToList();
         }
         public List<ExaminationResultViewModel> GetFilteredList(ExaminationResultSearchModel model)
         {
             using var context = new UniversityDatabase();
             return context.ExaminationResults
+                .Include(x => x.StudentExaminationResults)
+                .ThenInclude(x => x.Student)
                 .Where(x => (
-                        (!model.Id.HasValue || x.Id == model.Id)
+                        (!model.Id.HasValue || x.Id == model.Id) &&
+                        (!model.From.HasValue || x.Date >= model.From) &&
+                        (!model.To.HasValue || x.Date <= model.To)
                     )
                 )
                 .Select(x => x.GetViewModel)
@@ -32,7 +40,9 @@ namespace UniversityDatabaseImplement.Implements
             }
             using var context = new UniversityDatabase();
             return context.ExaminationResults
-            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+                .Include(x => x.StudentExaminationResults)
+                .ThenInclude(x => x.Student)
+                .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
         }
         public ExaminationResultViewModel? Insert(ExaminationResultBindingModel model)
         {
diff --git a/University/DatabaseImplement/Implements/StatementStorage.cs b/University/DatabaseImplement/Implements/StatementStorage.cs
index 25581f5..77a99db 100644
--- a/University/DatabaseImplement/Implements/StatementStorage.cs
+++ b/University/DatabaseImplement/Implements/StatementStorage.cs
@@ -21,7 +21,9 @@ namespace UniversityDatabaseImplement.Implements
             using var context = new UniversityDatabase();
             return context.Statements
                 .Where(x => (
-                        (!model.Id.HasValue || x.Id == model.Id)
+                        (!model.Id.HasValue || x.Id == model.Id) &&
+                        (!model.From.HasValue || x.Date >= model.From) &&
+                        (!model.To.HasValue || x.Date <= model.To)
                     )
                 )
                 .Select(x => x.GetViewModel)
diff --git a/University/DatabaseImplement/Implements/StudentStorage.cs b/University/DatabaseImplement/Implements/StudentStorage.cs
index 8510a19..33fc7a7 100644
--- a/University/DatabaseImplement/Implements/StudentStorage.cs
+++ b/University/DatabaseImplement/Implements/StudentStorage.cs
@@ -13,8 +13,6 @@ namespace UniversityDatabaseImplement.Implements
         {
             using var context = new UniversityDatabase();
             return context.Students
-                .Include(x => x.StudentExaminationResults)
-                .ThenInclude(x => x.ExaminationResult)
                 .Include(x => x.StatementStudents)
                 .ThenInclude(x => x.Statement)
                 .Select(x => x.GetViewModel)
@@ -24,8 +22,6 @@ namespace UniversityDatabaseImplement.Implements
         {
             using var context = new UniversityDatabase();
             return context.Students
-                .Include(x => x.StudentExaminationResults)
-                .ThenInclude(x => x.ExaminationResult)
                 .Include(x => x.StatementStudents)
                 .ThenInclude(x => x.Statement)
                 .Where(x => (
@@ -44,8 +40,6 @@ namespace UniversityDatabaseImplement.Implements
             }
             using var context = new UniversityDatabase();
             return context.Students
-                .Include(x => x.StudentExaminationResults)
-                .ThenInclude(x => x.ExaminationResult)
                 .Include(x => x.StatementStudents)
                 .ThenInclude(x => x.Statement)
                 .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && x.Name== model.Name) ||
diff --git a/University/DatabaseImplement/Models/ExaminationResult.cs b/University/DatabaseImplement/Models/ExaminationResult.cs
index bd77bb9..0ab3285 100644
--- a/University/DatabaseImplement/Models/ExaminationResult.cs
+++ b/University/DatabaseImplement/Models/ExaminationResult.cs
@@ -19,6 +19,22 @@ namespace UniversityDatabaseImplement.Models
         public virtual List<Activity> Activities { get; set; } = new();
         [ForeignKey("ExaminationResultId")]
         public virtual List<StudentExaminationResult> StudentExaminationResults { get; set; } = new();
+
+        private Dictionary<int, IStudentModel>? _students;
+        [NotMapped]
+        public Dictionary<int, IStudentModel> Students
+        {
+            get
+            {
+                if (_students == null)
+                {
+                    _students = StudentExaminationResults.ToDictionary(
+                        x => x.Student.Id, x => x.Student as IStudentModel);
+                }
+
+                return _students;
+            }
+        }
         public static ExaminationResult Create(ExaminationResultBindingModel model)
         {
             return new ExaminationResult
diff --git a/University/DatabaseImplement/Models/Student.cs b/University/DatabaseImplement/Models/Student.cs
index cfba763..615ae6d 100644
--- a/University/DatabaseImplement/Models/Student.cs
+++ b/University/DatabaseImplement/Models/Student.cs
@@ -18,20 +18,6 @@ namespace UniversityDatabaseImplement.Models
         [ForeignKey("StudentId")]
         public virtual List<StudentExaminationResult> StudentExaminationResults { get; set; } = new();
 
-        private Dictionary<int, IExaminationResultModel>? _results;
-        [NotMapped]
-        public Dictionary<int, IExaminationResultModel> Results {
-            get {
-                if(_results == null)
-                {
-                    _results = StudentExaminationResults.ToDictionary(
-                        x => x.ExaminationResult.Id, x => x.ExaminationResult as IExaminationResultModel);
-                }
-
-                return _results;
-            }
-        }
-
         private Dictionary<int, IStatementModel>? _statements;
         [NotMapped]
         public Dictionary<int, IStatementModel> Statements
@@ -70,7 +56,6 @@ namespace UniversityDatabaseImplement.Models
             Id = Id,
             Name = Name,
             RecordCardNumber = RecordCardNumber,
-            Results = Results,
             Statements = Statements
         };
 
diff --git a/University/UniversityContracts/BindingModels/ExaminationResultBindingModel.cs b/University/UniversityContracts/BindingModels/ExaminationResultBindingModel.cs
index 8fbd495..372056d 100644
--- a/University/UniversityContracts/BindingModels/ExaminationResultBindingModel.cs
+++ b/University/UniversityContracts/BindingModels/ExaminationResultBindingModel.cs
@@ -9,5 +9,6 @@ namespace UniversityContracts.BindingModels
         public string ExaminationForm { get; set; } = String.Empty;
         public MarkType Mark { get; set; } = MarkType.Неизвестен;
         public DateTime Date { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        public Dictionary<int, IStudentModel> Students { get; set; } = new();
     }
 }
diff --git a/University/UniversityContracts/BindingModels/StudentBindingModel.cs b/University/UniversityContracts/BindingModels/StudentBindingModel.cs
index f3d682b..884775e 100644
--- a/University/UniversityContracts/BindingModels/StudentBindingModel.cs
+++ b/University/UniversityContracts/BindingModels/StudentBindingModel.cs
@@ -7,7 +7,6 @@ namespace UniversityContracts.BindingModels
         public int Id { get; set; }
         public string Name { get; set; } = String.Empty;
         public string RecordCardNumber { get; set; } = String.Empty;
-        public Dictionary<int, IExaminationResultModel> Results { get; set; } = new();
         public Dictionary<int, IStatementModel> Statements { get; set; } = new();
     }
 }
diff --git a/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs b/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
index 4f27f9f..53c1f00 100644
--- a/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
@@ -6,5 +6,7 @@ namespace UniversityContracts.SearchModels
     public class ExaminationResultSearchModel
     {
         public int? Id { get; set; }
+        public DateTime? From { get; set; }
+        public DateTime? To { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/StatementSearchModel.cs b/University/UniversityContracts/SearchModels/StatementSearchModel.cs
index 7c3ca9d..6e807ad 100644
--- a/University/UniversityContracts/SearchModels/StatementSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/StatementSearchModel.cs
@@ -5,5 +5,7 @@ namespace UniversityContracts.SearchModels
     public class StatementSearchModel
     {
         public int? Id { get; set; }
+        public DateTime? From { get; set; }
+        public DateTime? To { get; set; }
     }
 }
diff --git a/University/UniversityContracts/ViewModels/ExaminationResultViewModel.cs b/University/UniversityContracts/ViewModels/ExaminationResultViewModel.cs
index 379ac90..98817e6 100644
--- a/University/UniversityContracts/ViewModels/ExaminationResultViewModel.cs
+++ b/University/UniversityContracts/ViewModels/ExaminationResultViewModel.cs
@@ -9,5 +9,6 @@ namespace UniversityContracts.ViewModels
         public string ExaminationForm { get; set; } = String.Empty;
         public MarkType Mark { get; set; } = MarkType.Неизвестен;
         public DateTime Date { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        public Dictionary<int, IStudentModel> Students { get; set; } = new();
     }
 }
diff --git a/University/UniversityContracts/ViewModels/StudentViewModel.cs b/University/UniversityContracts/ViewModels/StudentViewModel.cs
index 3c44bff..4cfc34d 100644
--- a/University/UniversityContracts/ViewModels/StudentViewModel.cs
+++ b/University/UniversityContracts/ViewModels/StudentViewModel.cs
@@ -7,7 +7,6 @@ namespace UniversityContracts.ViewModels
         public int Id { get; set; }
         public string Name { get; set; } = String.Empty;
         public string RecordCardNumber { get; set; } = String.Empty;
-        public Dictionary<int, IExaminationResultModel> Results { get; set; } = new();
         public Dictionary<int, IStatementModel> Statements { get; set; } = new();
     }
 }
diff --git a/University/UniversityDataModels/Models/IExaminationResultModel.cs b/University/UniversityDataModels/Models/IExaminationResultModel.cs
index c3c33e1..6180c87 100644
--- a/University/UniversityDataModels/Models/IExaminationResultModel.cs
+++ b/University/UniversityDataModels/Models/IExaminationResultModel.cs
@@ -6,5 +6,6 @@ namespace UniversityDataModels.Models
         String ExaminationForm { get; }
         MarkType Mark { get; }
         DateTime Date { get; }
+        Dictionary<int, IStudentModel> Students { get; }
     }
 }
diff --git a/University/UniversityDataModels/Models/IStudentModel.cs b/University/UniversityDataModels/Models/IStudentModel.cs
index 1ff6eb5..d296aaa 100644
--- a/University/UniversityDataModels/Models/IStudentModel.cs
+++ b/University/UniversityDataModels/Models/IStudentModel.cs
@@ -4,7 +4,6 @@
     {
         String Name { get; }
         String RecordCardNumber { get; }
-        Dictionary<int, IExaminationResultModel> Results { get; }
         Dictionary<int, IStatementModel> Statements { get; }
     }
 }