AYARI, F., SRASRA, E. and TRABELSI-AYADI, M. (2010) “Removal of Lead, Zinc and Nickel Using Sodium Bentonite Activated Clay”, Asian Journal of Chemistry, 19(5), pp. 3325–3339. Available at: https://asianpubs.org/index.php/ajchem/article/view/13208 (Accessed: 3 October 2024).