Zhang Y. Evaluation of the Impact of The “Double Reduction” Policy on Off-campus Training Behavior and Education Expenditure of Different Families: Difference-in-Differences Analysis Based on CFPS Data. IJOSSER [Internet]. 2025 Oct. 10 [cited 2026 Sep. 12];8(10):204-16. Available from: https://ijosser.org/index.php/ojs/article/view/183