Water Quality Investigation By Physicochemical And Biological Parameters Of Various Sources In District Shimla (Himachal Pradesh). International Journal of Environmental Sciences, [S. l.], p. 1–9, 2024. DOI: 10.64252/atx60v09. Disponível em: https://theaspd.com/index.php/ijes/article/view/11392.. Acesso em: 22 oct. 2025.