AQSA IRFAN. Evaluation of Groundwater Quality of Aligarh City, (India): Using Statistical Techniques Approach . International Journal of Economic and Environmental Geology, [S. l.], v. 9, n. 3, p. 27–35, 2025. Disponível em: http://www.econ-environ-geol.org/index.php/ojs/article/view/659. Acesso em: 17 dec. 2025.