H. Aregawi B, A. Mengistie A. Removal of Ni(II) from aqueous solution using leaf, bark and seed of <i>Moringa stenopetala</i> adsorbents. Bull. Chem. Soc. Eth. [Internet]. 2012 Dec. 15 [cited 2026 Aug. 31];27(1):35-47. Available from: https://www.ajol.info/index.php/bcse/article/view/84072