Padhlani Qurrata Ayun, et al. “Design and Implementation of A 50 Wp PV System for An Agricultural Grain Stirring-Collecting Robot”. METAL: Jurnal Sistem Mekanik Dan Termal, vol. 10, no. 2, Oct. 2026, pp. 100-1, doi:10.25077/metal.10.2.100-110.2026.