AKMAL, A.; AJI, A. A.; AUVARIA, S. W.; NENGSE, S.; AULIANSYAH, Y. D. The Pollutant Index (IP) Method for Determining Water Quality Status in the Tambak Oso River Gunung Anyar. Envirous, [S. l.], v. 5, n. 2, p. 1–7, 2025. Disponível em: https://envirous.upnjatim.ac.id/index.php/envirous/article/view/339. Acesso em: 3 apr. 2025.