D. F. Hanan, E. Nirwikara, A. M. Javanica, M. Rizcal, and S. D. Prasetyo, “Techno-Economic Assessment of Rooftop Solar PV Systems for Malang City Hall Using HOMER Pro”, Semarak Clim. Sci. Lett., vol. 4, no. 1, pp. 1–13, Nov. 2025.