Zhang, Yin, Yujia Ji, Yuchen Zhou, and Hua Sun. “Ecological Compensation Standard for Non-Point Pollution from Farmland”. Problemy Ekorozwoju 12, no. 1 (January 2, 2017): 139–146. Accessed November 22, 2024. https://ph.pollub.pl/index.php/preko/article/view/5006.