RIFAI, M. .; MUJAMILAH, M.; INSANI, A. .; MUSLIH, M. R. .; PRIYANTO, T. H. .; SUMIRAT, I. .; BHAROTO, B.; SULUNGBUDI, G. T. .; PRASETYA, A. D. .; RIDWAN, R.; SAPARUDIN, M. .; NOOR H., D. .; SAIRUN, S.; APRIANSYAH, R. .; LUBIS, W. Z. . Exploring the Impact of Deformation on Strain Energy of Ultrafine-Grained Copper through Equal Channel Angular Pressing: Insights from X-Ray and Neutron Diffraction. Journal of Mathematical and Fundamental Sciences, v. 57, n. 3, p. 221-236, 8 May 2026.