Paneru, Keshav Raj, and Vinay Kumar Jha. “Adsorptive Removal of Pb(II) Ions from Aqueous Solution by Activated Carbon Prepared from Cabbage Waste”. Nepal Journal of Environmental Science 8, no. 1 (December 31, 2020): 1–10. Accessed May 7, 2024. https://nepjol.info/index.php/njes/article/view/34446.