ALSHUKRI H.; TSAREV N.S. environmental performance assessment of three municipal wastewater treatment plants in Al-Najaf, Iraq using the CCME water quality index (CCME-WQI). The system technologies, [S. l.], n. 58, p. 82–96, 2026. DOI: 10.55287/22275398_2026_58_82-96. Disponível em: http://thesystemtechnologies.com/index.php/st/article/view/89. Acesso em: 24 jun. 2026.