.-. Chotimah, A. Rianjanu, B. Winardianto, M. Munir, I. Kartini, and K. Triyana, “Electrical Conductivity Improvement of Polyvinyl Alcohol Nanofiber by Solvent Vapour Treatment”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 6, no. 5, pp. 675–681, Oct. 2016.