Rani, Rekha, Ajay Singh, and Waseem Ahmad. “Synthesis of Agro Waste Nano Composites Using Coconut and Rice Husk for Adsorption of Chromium Ions”. International Journal of Health and Clinical Research 2, no. 11 (November 30, 2019): 1–4. Accessed December 23, 2024. https://ijhcr.com/index.php/ijhcr/article/view/70.