“Removal of Heavy Metals Fe3+, Mn2+, Zn2+, Pb2+ and Cd2+ from Wastewater by Using Rice Straw as Low Cost Adsorbent”, Acad. J. Interdiscip. Stud., vol. 2, no. 6, p. 85, Sep. 2013, Accessed: Dec. 11, 2024. [Online]. Available: https://www.richtmann.org/journal/index.php/ajis/article/view/620