干旱区研究
Evaluation of the environmental quality of surface water in Chengde using improved methods
ZHANG Sheng, ZHANG Tao, DUAN Wenyu, XU Li, Gu Jinyang, ZHANG Wei, LI Simin
Arid Zone Research . 2024, (1): 50 -59 .  DOI: 10.13866/j.azr.2024.01.05