XU, Heyuan. Merchants’ Price Control Measures During the Promotion Period and Consumers’ Solutions. Highlights in Business, Economics and Management, [S. l.], v. 61, p. 53–57, 2025. DOI: 10.54097/svs9x653. Disponível em: http://hbem.org/index.php/OJS/article/view/543. Acesso em: 21 sep. 2026.