QING, Na. "Sports for Mental Nurturance": A Correlation Study on the Implementation of Sunshine Sports Policy and Positive Emotions in County-Level Primary Schools. Journal of Educational Development and Social Sciences, [S. l.], v. 1, n. 2, p. 32–40, 2026. DOI: 10.62051/jedss.v1n2.05. Disponível em: https://jedss.org/index.php/ojs/article/view/13. Acesso em: 25 jul. 2026.