10. User Data Flow Diagram New Users Existing Users Registration Table Login Table User Interface Books Table Course Table
11.
12. Registration Modules 1 Home page Visit 2 Registration / Select Course 3 User Login Page 4 User Home Page User 6 Log out 5 Book Reading Lesson Reading Download Course Select
13. User account Module Exist User New User Verify data Request for New user account Accept Data Create Account Information Account Info Account information Detail Result Information Information Information