Talib, Esraa Sabih, and Rafil Mahmood lafta. “Determination of the Stress Intensity Factor in a Sandwich Structure With a Hexagonal Core under Various Loading Conditions”. Basrah Journal for Engineering Sciences, vol. 25, no. 2, Dec. 2025, pp. 30-37, https://doi.org/10.33971/bjes.25.2.4.