Suprihatin, Puspitawati, I. N. ., Sinaga, P. S. D. ., & Redian, M. N. P. . (2021). Effect of Cellulose on The Characterization of Potassium Silica – Humat Composite Gel. Nusantara Science and Technology Proceedings, 57-61. https://doi.org/10.11594/nstp.2021.1410