Rafryanto , A. F., Batrisya , A. L., Charlie , D. A., & Arramel , A. (2024). Novel Approach to the Synthesis of Silica Gel: Sequential Mechanical Activation and Sol-Gel Methods from Fly Ash Derived from Coal. Journal of Research in Nanoscience and Nanotechnology, 13(1), 23–32. https://doi.org/10.37934/jrnn.13.1.2332