Source identification and apportionment of neonicotinoids, pyrethroids, and organophosphates pesticides in Xijiang and Beijiang River basins, Great Bay of South China - Fanqi Jing; Lulu Zhang; Jingru Zhang; Yujun Tong; Qiusen Huang; Sijia Liu; Xuan Yu; Qianqian Yu; Lingyun Yu; Hui Chen; Zhanlu Lv; Ling-Chuan Guo (Marine Pollution Bulletin, 2026)