M.S. Shaari, A.K. Ariffin, Akiyuki Takahashi, S. Abdullah, Masanori Kikuchi, and M.R.M. Akramin, “Fatigue crack growth analysis on square prismatic with embedded cracks under tension loading”, J. Mech. Eng. Sci., vol. 11, no. 1, pp. 2511–2525, Mar. 2017.