Otunola, Beatrice, et al. “A Mesocosm Study on the Use of Clay Minerals to Improve Heavy Metal Phytoremediation Capacity of Vetiver Grass (Chrysopogon Zizanioides L. Roberty)”. South African Journal of Science, vol. 119, no. 11/12, Nov. 2023, https://doi.org/10.17159/sajs.2023/15882.