Assessment of Shallow Groundwater Quality in Zhengzhou Area Using Remote Sensing and GIS. Journal of Engineering and Sustainable Development, [S. l.], v. 13, n. 3, p. 72–86, 2009. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1531.. Acesso em: 3 jul. 2024.