A. M. P. Madhubashani, K. M. N. S. Sewwandi, B. M. W. P. K. Amarasinghe. 2020. “Tea Waste Impregnated With Iron Oxide Nanoparticles for Dye Removal from Aqueous Solutions”. International Journal of Advanced Science and Technology 29 (11s), 740 -47. https://sersc.org/journals/index.php/IJAST/article/view/20043.