محمد ع.; محمد غفر; ماهر دعيس. Extraction of lanthanum (III) ion from aqueous solutions using Formazan reagent by liquid-liquid method. Tishreen University Journal -Basic Sciences Series, [S. l.], v. 45, n. 5, p. 111–121, 2023. Disponível em: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/15624. Acesso em: 11 may. 2024.