Pujiastuti, C. ., Sumada, K. ., Ngatilah, Y. ., Widya P, V. ., & Arief S, P. . (2020). Study of Making Potassium Posphate from Seaweed Industrial Wastewater . Nusantara Science and Technology Proceedings, 170-174. https://doi.org/10.11594/nstp.2020.0526