Al-Shouka , Tabreer T., et al. “Optimization-Based Selective Harmonic Elimination for an 11-Level Cascaded H-Bridge Inverter: A Comparative Study”. InfoTech Spectrum: Iraqi Journal of Data Science , vol. 3, no. 2, June 2026, pp. 56-66, doi:10.51173/ijds.v3i2.83.