Benhachem, Fatima-Zahra, and Tarik Attar. “Comparison Studies for the Removal of a Basic Dye from Aqueous Solution Using Coffee Residues and Waste Tea”. International Journal of Advanced Chemistry 7, no. 1 (September 4, 2019): 97–103. Accessed May 1, 2024. https://sciencepubco.com/index.php/IJAC/article/view/29596.