“An Investigation for Removal of Phenol from Aqueous Solution by Using Natural Sources & Activated Carbon: Enhancing Phenol Removal from Aqueous Solutions Using Natural Sources”. Journal of Advances and Scholarly Researches in Allied Education, vol. 15, no. 1, Apr. 2018, pp. 531-5, https://ignited.in/index.php/jasrae/article/view/7665.