Pratap Raghuvanshi, Shiv, Renu Singh, and C.P. Kaushik. “Adsorption of Congo Red Dye from Aqueous Solutions Using Neem Leaves As Adsorbent”. Asian Journal of Chemistry 20, no. 7 (March 30, 2010): 4994–5000. Accessed October 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/12834.