강남인강 - 중고등인강

Features 강남인강 - 중고등인강

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The luxury lecture Gangnam Ingang is the answer!Internet lectures are also classy.
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With Gangnam Ingang, you can develop your self-directed learning ability and check your grades ascending.[main function]- Support video streaming and downloading through Collus app- Course management through course and My Page- It is possible to inquire after class all courses by class- Community participation and bulletin sharing through announcements and promotions- Supports double speed