This textbook is structured as follows to help students taking the self-study exam learn effectively in a short period of time.

The Power of Recording: Your Own Study Planner, Your Own Keyword Organizer
You can plan and organize the beginning and end of your exam with the "My Study Planner," which allows you to create your own study plan, and the "My Keyword Organizer," which allows you to create your own customized key notes.
· Essential memorization keywords
Among the five 'core theories', we have compiled the keywords you must know so you can use them right before the exam.
We are offering the ‘Essential Memorization Keywords’ lecture for free online (www.sdedu.co.kr).
· Latest past exam questions
You can keep up with the latest exam trends by collecting '2025 Previous Exam Questions' by subject.
We are offering a free lecture on ‘Previous Exam Questions’ online (www.sdedu.co.kr).
Final mock exam
We have included five mock exams for each subject, allowing you to fully prepare for the actual exam by solving the problems.
· Answers and explanations
The 'Answers and Explanations' for the final mock exam are organized in a book-within-a-book format, allowing you to conveniently check the content and improve your weaknesses.

※ Free special lecture path: www.sdedu.co.kr 〉 GED/Self-study 〉 Self-study 〉 Study materials 〉 Free special lecture