LIU, Peitong; LIN, Dai; WEI, Xiaoling; WU, Yuwei. Research on the Development of Patents in Key Fields of the Automotive Industry in Huangpu District. International Journal of Global Economics and Management, [S. l.], v. 8, n. 2, p. 10–15, 2025. DOI: 10.62051/ijgem.v8n2.02. Disponível em: https://ijgem.org/index.php/ojs/article/view/170. Acesso em: 21 jun. 2026.