Performance Evaluation Of Sewage Treatment Plants (Stps) In Northern India. International Journal of Environmental Sciences, [S. l.], p. 1193–1198, 2024. DOI: 10.64252/gkxmnm79. Disponível em: https://theaspd.com/index.php/ijes/article/view/11089.. Acesso em: 15 feb. 2026.