S. . Redjeki, N. . Hapsari, and Iriani, “Increase the Sugar Concentration of the Solution Sugar by Reverse Osmotic Membrane”, Nusantara Sci. Tech. Proc., pp. 218–221, Aug. 2018, Accessed: Jun. 28, 2025. [Online]. Available: https://nstproceeding.com/index.php/nuscientech/article/view/37