NAQING. A Study on the Impact of the "Double Reduction" Policy on the Mental Health of Elementary School Students in Rural Areas and Countermeasures: A Case Study of a County in Inner Mongolia. Academic Journal of Education, [S. l.], v. 1, n. 2, p. 20–24, 2026. DOI: 10.54097/sv2p4966. Disponível em: https://ajoedu.org/index.php/ojs/article/view/17. Acesso em: 26 may. 2026.