Alele Jude O, Eyenubo O. J, E. E. Obuseh, Ezekiel Ebimene E, Jeffery U. Okieke, and A. Gabriel U, “Harmonic Performance Assessment of a Fuzzy Controlled Grid Connected Photovoltaic Battery System”, etj, vol. 11, no. 09, pp. 11543–11548, Sep. 2026.