Water Quality Investigation By Physicochemical And Biological Parameters Of Various Sources In District Shimla (Himachal Pradesh). International Journal of Environmental Sciences, [S. l.], p. 229–246, 2024. DOI: 10.64252/v44v9307. Disponível em: http://theaspd.com/index.php/ijes/article/view/11389.. Acesso em: 5 dec. 2025.