G, V.A.K. et al. 2026. Comparative Performance Evaluation of P&O, Grey Wolf Optimization, and Teaching–Learning-Based Optimization Algorithms for MPPT in Photovoltaic Systems. Al-Nahrain Journal for Engineering Sciences. 29, 2 (Jun. 2026), 327–336. DOI:https://doi.org/10.29194/NJES.29020327.