“A Comparative Study of the Physico-Chemical Properties and Methylene Blue Adsorption Behaviour of Fly Ash, Nano-Oxides and the Composite Materials of Nano-Oxides and Fly Ash”, 64, vol. 2, no. 12, pp. 148–165, Dec. 2014, Accessed: Jul. 22, 2026. [Online]. Available: https://archive.conscientiabeam.com/index.php/64/article/view/1841