A. H. Yousuf, D. S. Al-Fattal, and B. A. Sadkhan, “Fatigue Behavior Safe Life Analysis of Composite Wind Turbine Blades Under Constant and Variable Spectrum Loading”, NUCEJ, vol. 15, no. 1, pp. 29–41, Apr. 2012, Accessed: Dec. 23, 2024. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/636