J. Mohammed, Salim, and Ahmad Ismael. “Spectrophotometric Estimation of Lanthanum With Alizarine Red S and Triton X-100 -Applications to Water Samples and Urine”. Rafidain Journal of Science 32, no. 2 (June 1, 2023): 20–29. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/rsci/article/view/47113.