RAAFAT, M.; EL MONAYERI, Ola Diaa; AMER, N. Application of Hybrid System to Upgrade Existing Wastewater Treatment Plants: A Case Study. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 14, n. 2, p. 154–168, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2885. Acesso em: 1 oct. 2025.