JASIM, Wasan Abdil-Wahid; MOHAMMED, Alaá Kareem; ATAWI, Rafiá Kadori. 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, Baghdad, Iraq., v. 27, n. 2, p. 198–210, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/344. Acesso em: 26 mar. 2025.