“How to Purify and Experiment with Dye Adsorption using Carbon: Step-by-Step Procedure from Carbon Conversion from Agricultural Biomass to Concentration Measurement Using UV Vis Spectroscopy”, Indones. j. sci. technol., vol. 8, no. 3, pp. 363–380, Dec. 2023, Accessed: Jun. 07, 2026. [Online]. Available: https://ijost.upi.edu/index.php/ijost/article/view/381