AYOUB, Mohamed; EL-MORSY, Ahmed. Upgrading of an Extended Aeration System to Improve Wastewater Treatment. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 81, n. 1, p. 23–35, 2021. Disponível em: https://asrjetsjournal.org/American_Scientific_Journal/article/view/6983. Acesso em: 15 sep. 2025.