Nugroho, D. B., N. N. A. Kamal, J. B. E. Sidabalok, R. Wati, N. Resfita, and M. W. Gifari. “Morphological Study of Electrospun Polyvinylpyrrolidone Fibers at High Concentration Using Water and Ethanol Solvents”. Journal of Energy, Material, and Instrumentation Technology, vol. 6, no. 4, Nov. 2025, pp. 182-9, doi:10.23960/jemit.363.