diff --git a/18 Normalizr/src/model/normalized/countryNormalized.ts b/18 Normalizr/src/model/normalized/countryNormalized.ts
new file mode 100644
index 0000000..fc87532
--- /dev/null
+++ b/18 Normalizr/src/model/normalized/countryNormalized.ts	
@@ -0,0 +1,4 @@
+export interface CountryNormalized {
+  id: number;
+  name: string;
+}
diff --git a/18 Normalizr/src/model/normalized/studentNormalized.ts b/18 Normalizr/src/model/normalized/studentNormalized.ts
new file mode 100644
index 0000000..0f9de98
--- /dev/null
+++ b/18 Normalizr/src/model/normalized/studentNormalized.ts	
@@ -0,0 +1,7 @@
+export interface StudentNormalized {
+  id: number;
+  gotActiveTraining: boolean;
+  fullname: string;
+  email: string;
+  country: number;
+}
diff --git a/18 Normalizr/src/reducers/domain/country/byId.ts b/18 Normalizr/src/reducers/domain/country/byId.ts
index 122ef36..5c5d93f 100644
--- a/18 Normalizr/src/reducers/domain/country/byId.ts	
+++ b/18 Normalizr/src/reducers/domain/country/byId.ts	
@@ -1,6 +1,6 @@
-import { CountryView } from '../../../model/view/countryView';
+import { CountryNormalized } from '../../../model/normalized/countryNormalized';
 
-export const byId = (state: {[id: number]: CountryView} = {}, action) => {
+export const byId = (state: {[id: number]: CountryNormalized} = {}, action) => {
   if (action.payload && action.payload.entities) {
     return {
       ...state,
diff --git a/18 Normalizr/src/reducers/domain/country/index.ts b/18 Normalizr/src/reducers/domain/country/index.ts
index d1d0a89..f5859b2 100644
--- a/18 Normalizr/src/reducers/domain/country/index.ts	
+++ b/18 Normalizr/src/reducers/domain/country/index.ts	
@@ -1,10 +1,10 @@
 import { combineReducers } from 'redux';
 import {byId} from './byId';
 import {allIds} from './list';
-import { CountryView } from '../../../model/view/countryView';
+import { CountryNormalized } from '../../../model/normalized/countryNormalized';
 
 export interface CountryDomain {
-  byId: {[id: number]: CountryView};
+  byId: {[id: number]: CountryNormalized};
   allIds: number[];
 }
 
diff --git a/18 Normalizr/src/reducers/domain/country/selectors/index.ts b/18 Normalizr/src/reducers/domain/country/selectors/index.ts
index efbc265..4d57a67 100644
--- a/18 Normalizr/src/reducers/domain/country/selectors/index.ts	
+++ b/18 Normalizr/src/reducers/domain/country/selectors/index.ts	
@@ -1,6 +1,7 @@
 import {createSelector} from 'reselect';
 import {State} from '../../../index';
 import {CountryDomain} from '../index';
+import {CountryView} from '../../../../model/view/countryView';
 
 export const countryDomain = (state: State) => state.countryDomain;
 
@@ -9,6 +10,6 @@ export const getCountries = createSelector(
   (state: CountryDomain) => state.allIds.map(id => getCountry(state, id))
 );
 
-export const getCountry = (state: CountryDomain, id) => ({
+export const getCountry = (state: CountryDomain, id: number): CountryView => ({
   ...state.byId[id]
 });
diff --git a/18 Normalizr/src/reducers/domain/student/byId.ts b/18 Normalizr/src/reducers/domain/student/byId.ts
index 2e15ca3..b1e8957 100644
--- a/18 Normalizr/src/reducers/domain/student/byId.ts	
+++ b/18 Normalizr/src/reducers/domain/student/byId.ts	
@@ -1,6 +1,6 @@
-import { StudentView } from "../../../model/view/studentView";
+import { StudentNormalized } from "../../../model/normalized/studentNormalized";
 
-export const byId = (state : {[id: number] : StudentView} = {}, action) => {
+export const byId = (state : {[id: number] : StudentNormalized} = {}, action) => {
   if (action.payload && action.payload.entities) {
     return {
       ...state,
diff --git a/18 Normalizr/src/reducers/domain/student/index.ts b/18 Normalizr/src/reducers/domain/student/index.ts
index dbedc3e..da74a67 100644
--- a/18 Normalizr/src/reducers/domain/student/index.ts	
+++ b/18 Normalizr/src/reducers/domain/student/index.ts	
@@ -2,10 +2,10 @@ import { combineReducers } from 'redux';
 import {byId} from './byId';
 import {allIds} from './list';
 import { edit, EditState } from './edit';
-import { StudentView } from '../../../model/view/studentView';
+import { StudentNormalized } from '../../../model/normalized/studentNormalized';
 
 export interface StudentDomain {
-  byId: {[id: number] : StudentView},
+  byId: {[id: number] : StudentNormalized},
   allIds: number[];
   edit: EditState;
 };
diff --git a/18 Normalizr/src/reducers/domain/student/selectors/index.ts b/18 Normalizr/src/reducers/domain/student/selectors/index.ts
index a7a3329..0d711f3 100644
--- a/18 Normalizr/src/reducers/domain/student/selectors/index.ts	
+++ b/18 Normalizr/src/reducers/domain/student/selectors/index.ts	
@@ -14,7 +14,7 @@ export const getStudents = createSelector(
     studentDomain.allIds.map(id => getStudent(studentDomain, countryDomain, id))
 );
 
-const getStudent = (studentDomain: StudentDomain, countryDomain: CountryDomain, id): StudentView => ({
+const getStudent = (studentDomain: StudentDomain, countryDomain: CountryDomain, id: number): StudentView => ({
   ...studentDomain.byId[id],
   country: getCountry(countryDomain, studentDomain.byId[id].country)
 });