Ortiz , Branislav Zambrano-. “Adsorptive Removal of Heavy Metal Ions from Industrial Wastewater Using Low-Cost Bio-Adsorbents”. International Journal Of Advanced Chemical Science and Applications 7, no. 1 (April 19, 2018): 15–21. Accessed October 22, 2026. https://journals.mriindia.com/index.php/ijacsa/article/view/4370.