Y. AL-SAFFAWI, A.-A.; A. TALAAT, R. Sewage Water Purification Through Direct Exposure to Solar Radiation. Rafidain Journal of Science, [S. l.], v. 27, n. 1, p. 64–75, 2018. DOI: 10.33899/rjs.2018.141073. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/46484. Acesso em: 9 sep. 2025.