Wen-Pei Low, Ee Yern Lee, Fung-Lung Chang, & Nurharniza Abdul Rahman. (2022). Removal of Heavy Metals Ions from Aqueous Solution using Different Pretreatment Techniques of Corn Cob. Journal of Innovation and Technology, 2022. Retrieved from https://iuojs.intimal.edu.my/index.php/joit/article/view/290