HSK Standard course 4AB 上下 Advantage pack
This set includes four books:
HSK Standard Course 4 上 Textbook (ISBN: 9787561939031),
HSK Standard Course 4 上 Workbook (ISBN: 9787561941171),
HSK Standard Course 4 下 Textbook (ISBN: 9787561939307),
HSK Standard Course4 下 Workbook (ISBN: 9787561941447).
To enhance the reading experience, CD Audio has been converted into a QR code link attached to the back of textbooks and workbooks.
