LI, Yunqi; SUN, Jun. Research on the Construction of Three Level Elderly Care Service System in County, Town and Village. Research in Business and Management, [S. l.], v. 12, n. 1, p. pp. 14–21, 2025. DOI: 10.5296/rbm.v12i1.22771. Disponível em: https://macrojournal.org/index.php/rbm/article/view/2461. Acesso em: 11 apr. 2025.