I. U. Ferdous, N. A. Alang, J. Alias, and A. H. Ahmad, “Modeling of Creep Behavior in Grade 91 Steel under Complex State of Stress”, Int. J. Automot. Mech. Eng., vol. 22, no. 2, pp. 12281–12292, Jun. 2025, doi: 10.15282/ijame.22.2.2025.3.0940.