Nkutha, C., Shooto, N. and Naidoo, E. (2020) “Adsorption of Cr(VI), Pb(II) Ions and Methylene Blue Dye from Aqueous Solution using Pristine and Modified Coral Limestone”, Asian Journal of Chemistry, 32(10), pp. 2624–2632. doi: 10.14233/ajchem.2020.22815.