“Adsorption of Heavy Metals on Na-Montmorillonite. Effect of Ph and Organic Substances” (2024) Innovative: International Multidisciplinary Journal of Applied Technology (2995-486X), 2(7), pp. 272–276. Available at: https://www.multijournals.org/index.php/innovative/article/view/2017 (Accessed: 16 February 2026).