KHUSULIO, K.; SHARMA, N. R.; KUMAR, R.; DAS, I. C. .; SETIA, R. Hydrochemical Assessment of Groundwater in Ludhiana and Amritsar Districts of Punjab and Identification of Fluoride Hotspots using GIS. Geomatics and Environmental Engineering, [S. l.], v. 18, n. 5, p. 41–73, 2024. DOI: 10.7494/geom.2024.18.5.41. Disponível em: https://www.gaee.agh.edu.pl/gaee/article/view/800. Acesso em: 12 aug. 2025.