“Experimental and Numerical Study of The Crack Position and Depth Effects on Natural Frequencies of Turbine Blades”., JUBES, vol. 27, no. 3, pp. 332–344, Sep. 2019, Accessed: Jan. 27, 2026. [Online]. Available: https://mail.journalofbabylon.com/index.php/JUBES/article/view/2535