Okparanta, Susan, and Chioma Don-Lawson. “Phytoremediation of Some Trace Metals in Polluted Water Using Water Lilies”. Direct Research Journal of Public Health and Environmental Technology 8, no. 10 (December 29, 2023): 143–149. Accessed April 22, 2026. https://journals.directresearchpublisher.org/index.php/drjphet/article/view/455.