Pujiastuti, C. .; Sumada, K. .; Ngatilah, Y. .; Widya P, V. .; Arief S, P. . Study of Making Potassium Posphate from Seaweed Industrial Wastewater . Nusantara Sci. Tech. Proc. 2020, 170-174. https://doi.org/10.11594/nstp.2020.0526.