M. BILAL, A.; عمار; A. BASHIR, W.; وعد. Photometric Assay of Nitrite in Various Samples. Rafidain Journal of Science, [S. l.], v. 24, n. 2, p. 60–83, 2025. DOI: 10.33899/rjs.2013.67483. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/13011. Acesso em: 10 aug. 2025.