Xin sách General Chemistry 9th Edition

Xin tìm giúp mình cuốn General Chemistry 9th Edition ( tác giả: Ebbing & Gammon, ISBN : 9780547213149). Mình cần cuốn này rất gấp. Xin vô cùng cám ơn.

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Link Docs.google: https://drive.google.com/file/d/0B1v9csUzYMnqdGFkQWN6d1hWaHM/view?usp=sharing

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