Jayachitra.J, and Babu. E. “Biosorption Of Cr (VI) By Parthenium Hysterophorus A Novel Biosorbent”. Thematics Journal of Geography 8, no. 11 (November 25, 2019): 203-216. Accessed July 28, 2026. https://journals.eduindex.org/index.php/tjg/article/view/11654.