Aderibigbe, Abiodun, Oluwafemi Ogunlalu, Oluwasegun Wahab, Olugbenga Oluwasina, and Isiaka Amoo. 2017. “Adsorption Studies of Cu2+ from Aqueous Solutions Using Unmodified and Citric Acid – Modified Plantain (Musa Paradisiaca) Peels”. American Scientific Research Journal for Engineering, Technology, and Sciences 32 (1):64-78. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3004.