FERDOUS, I. U., N. A. ALANG, J. Alias, and S. M. Nadzir. “Numerical Prediction of Creep Rupture Life of Ex-Service and As-Received Grade 91 Steel at 873 K”. International Journal of Automotive and Mechanical Engineering, vol. 18, no. 3, Sept. 2021, pp. 8845-58, doi:10.15282/ijame.18.3.2021.01.0678.