G, Venkata Anjani Kumar, et al. “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, vol. 29, no. 2, June 2026, pp. 327-36, https://doi.org/10.29194/NJES.29020327.