Conductivity of Cellulose Acetate Membranes from Pandan Duri Leaves (Pandanus tectorius) for Li-ion BatteryEndang W. Laksono, Marfuatun and Demas AjiMATEC Web of Conferences, 64 (2016) 04001DOI: https://doi.org/10.1051/matecconf/20166404001