Al-Fakih, M. A., F. Ahmad, N. M. Lazim, A. H. D. K. Rasangika, and R. J. Varley. “Influence of GNP and CB Toughening on the Physical and Mechanical Properties of Hybrid Fiber Epoxy Composites Fabricated With Vacuum Infusion Molding”. Engineering, Technology & Applied Science Research, vol. 15, no. 6, Dec. 2025, pp. 28447-53, doi:10.48084/etasr.11876.