Univariate and Multivariate Optimization of Spectrophotometric Determination of Europium (III) in Pure Form and Synthetic Sample. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 27, n. 2, p. 198–210, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/344.. Acesso em: 2 may. 2024.