Utami, Retyo Wizi Nafa, et al. “Innovative Bio-Inspired Solar Cells Using Fly Ash-Based Dye-Sensitized Cells With Fruit Extract Enhancements and Averrhoa Bilimbi Electrolyte”. SINERGI, vol. 29, no. 1, Jan. 2025, pp. 221-8, doi:10.22441/sinergi.2025.1.020.