HUO, Yubin. Research on the Optimization Path of Sports Training Institutions Participating in School Sports Service in Jinan City. International Journal of World Economic Research, [S. l.], v. 1, n. 1, p. 7–10, 2026. DOI: 10.54097/96wvk596. Disponível em: http://ijwer.org/index.php/ojs/article/view/2. Acesso em: 21 sep. 2026.