SHI, Xiaohong; JIANG, Zeyuan. Opening to the Outside World and Income Gap between Urban and Rural Areas Based on Panel Data of 30 Provinces and Cities. Frontiers in Business, Economics and Management, [S. l.], v. 5, n. 3, p. 161–166, 2022. DOI: 10.54097/fbem.v5i3.2000. Disponível em: https://drpress.org/ojs/index.php/fbem/article/view/2000. Acesso em: 25 may. 2026.