“BIOSORPTION OF HEAVY METALS, DYES AND PHENOL USING PHOSPHORIC ACIDMODIFIED RICE HUSK” (2018) INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND REVIEW (IJARR), 3(4), pp. 16–29. Available at: https://www.ijarr.org/index.php/ijarr/article/view/309 (Accessed: 23 June 2026).