Solo, A. A. M.; Rumhayati, B. .; Masruri. HARDNESS WATER REMOVAL BY USING CELLULOSE PAPYRUS FIBERS (Borrasus Flabelifer L) FROM EAST NUSA TENGGARA MODIFIED WITH CITRIC ACID. Medkon 2023, 28 (2), 129-134. https://doi.org/10.29244/medkon.28.2.129-134.