M. Ahmad, Z. Ibrahim Takai, and T. Zangina, “Sensitivity-Based Performance Optimisation of a Lead-Free Formamidinium Tin Iodide (Fasni3) Perovskite Solar Cell Using Scaps-1d Simulation ”, FJS, vol. 10, no. 19, pp. 269–279, Oct. 2026, doi: 10.33003/fjs-2026-1019-5914.