TANG, Xuan; WANG, Ning; CHEN, Wen; WANG, Ying. Study on the Equilibrium of the Closed Loop Supply Chain Network Considering the Quality of Old Products based on E-commerce Opening up the Second hand Market. Frontiers in Economics and Management, [S. l.], v. 7, n. 8, p. 147–155, 2026. DOI: 10.6981/FEM.202608_7(8).0014. Disponível em: https://fieam.org/index.php/ojs/article/view/296. Acesso em: 14 aug. 2026.