Ufaira, P.S. et al. 2025. Numerical Study of Deflection and Stress Distribution on Composite Box Spar Structure – Application In Wind Turbine Blade. The International Journal of Mechanical Engineering and Sciences. 6, 1 (Jul. 2025), 21–30. DOI:https://doi.org/10.12962/j25807471.v6i1.10648.