Kusumawati, Nita, et al. “Effect of Layered Double Hydroxide-Graphene Oxide Modifier Composition on Characteristics of Polyvinylidene Fluoride Based Nanocomposite Membranes in the Separation of Cu2+”. Communications in Science and Technology, vol. 9, no. 1, July 2024, pp. 128-35, doi:10.21924/cst.9.1.2024.1440.