LI, Mengze; NIU, Dayong; LIN, Yuxin; LI, Shuwei; WANG, Xiaojing. Research on the effectiveness of second-child subsidy policy in high-cold areas based on multi-level model. Journal of Education, Humanities and Social Sciences, [S. l.], v. 35, p. 773–783, 2024. DOI: 10.54097/4v7bj093. Disponível em: https://drpress.org/ojs/index.php/EHSS/article/view/22797. Acesso em: 12 aug. 2026.