Performance Evaluation Of Sewage Treatment Plants (Stps) In Northern India. International Journal of Environmental Sciences, [S. l.], p. 1955–1960, 2025. DOI: 10.64252/gkxmnm79. Disponível em: https://theaspd.com/index.php/ijes/article/view/11089.. Acesso em: 12 oct. 2025.