ISBN 7505448188 books & textbook
Li Yupei: Math Stories (with Pinyin)(3 Volumes) (Chinese Edition)
Blossom Press /2021-07-01 Paperback / 619 Pages
isbn-10: 7505448188 / isbn-13: 9787505448186
Blossom Press /2021-07-01 Paperback / 619 Pages
isbn-10: 7505448188 / isbn-13: 9787505448186