Construction and network analysis of knowledge graph of vaccine supply chain based on big data from tender transactions
HE Yuqi, WEI Wanying, CAI Mengsi, TAN Suoyi, ZHENG Huijun, LYU Xin
China Safety Science Journal . 2025, (10): 52 -59 .  DOI: 10.16265/j.cnki.issn1003-3033.2025.10.1067