A. M. D. M D, A. Unni, B. S, A. Joseph, and D. A. M. George, “Innovative Biochar Applications for Sustainable Water Purification”, IJERA, vol. 3, no. 1, pp. 116–122, Jul. 2025, Accessed: Sep. 06, 2025. [Online]. Available: https://ijera.in/index.php/IJERA/article/view/59