HUIYANG CHEN*; YUEYUE TONG; YUKE CAI. Research on resource allocation of drug safety supervision in Ningxia based on PSO-GM(1,1) and GRA. International Scientific Technical and Economic Research , [S. l.], p. 1–14, 2025. Disponível em: https://www.istaer.online/index.php/Home/article/view/No.2311. Acesso em: 25 feb. 2026.