Hasanah, R. N.; Ardhenta, L.; Nurwati, T.; Setyawati, O.; Sawitri, D. R.; Suyono, H.; Taufik, T. Design of PI Sliding Mode Control for Zeta DC-DC Converter in PV System. Bull. Pol. Acad. Sci. Tech. Sci. 2022, 70, e140952.