Haque, A K M Abirul, Kazi Araf Sayeed, and Md Iqbal Hossain. “Synthesis and Characterization of Psyllium Husk Grafted Copolymers for the Application As Bio- Adsorbent of Heavy Metals”. Chemical Engineering Research Bulletin 23, no. 10 (December 30, 2023): 1–5. Accessed September 3, 2025. https://www.banglajol.info/index.php/CERB/article/view/78491.