Pinem, J. A., Indah Panjaitan, D., Siregar, M. R., Saputra, E., & Herman, S. (2019). Synthesis and Characterization of Chitosan-Silica Membranes with Variations: Poly Ethylene Glycol and Poly Vinyl Alcohol. Journal of Applied Materials and Technology, 1(1), 31-37. https://doi.org/10.31258/Jamt.1.1.31-37