Pramesti, H. N. .; Setyabudi, W. .; Hidayah , E. N. .; Cahyonugroho, O. H. .; Purnomo, Y. S. . Effect of Fly Ash Height in the Adsorption Column to Remove Phosphate in Laundry Wastewater . Nusantara Sci. Tech. Proc. 2020, 47-51. https://doi.org/10.11594/nstp.2020.0506.