F. Hanon Almajedi , Reda, et al. “The Effect of Scattering of Phonons, Size and Grain Boundary on Electrical Properties for Ruthenium Nano Metals”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 38, no. 1, Jan. 2025, pp. 153-60, https://doi.org/10.30526/38.1.3957.