Luan, J., Chen, F., Hu, F., Zhang, R., Ning, M., Tian, H., Duan, J., Mao, L., Zhao, H., Cui, Y., & Cui, Z. (2024). Geochemical characteristics and sources of heavy metal elements in the southern and western surface soils of Fengdu County, Chongqing. Highlights in Science, Engineering and Technology, 91, 442-450. https://doi.org/10.54097/pp1s4m50