“Removal of Heavy Metals Using Adsorbents at Low Cost: Effective and Affordable Methods for Heavy Metal Removal from Industrial Wastewater” (2021) Journal of Advances and Scholarly Researches in Allied Education, 18(7), pp. 37–43. Available at: https://ignited.in/index.php/jasrae/article/view/13605 (Accessed: 16 June 2025).