Funmilayo J. Okparaocha et al. 2022. Removal of Lead and Cadmium in Synthetic Wastewater Using Phaseolus vulgaris (Beans) Husk as Bio-adsorbent: Experimental Investigation. Emerging Challenges in Environment and Earth Science Vol. 2. (Feb. 2022), 20–29. DOI:https://doi.org/10.9734/bpi/ecees/v2/3669F.