TY - GEN AU - Ge, Jun AU - Xie, Huan-Xin TI - Problems and solutions in Mathematical Olympiad: : secondary 3 SN - 9781944660390 U1 - 510.9 PY - 2023/// CY - Shanghai PB - East China Normal University Press N1 - Purchased under NBHM grant for the year 2023-2024 ER -