K. Kurniawan, K. Tarigan, A. Firdaus Sudarma, R. Dwi Pudjisusilo, and D. Shidqi Khaerudini, “Optimizing the Purging Interval of 1 kW PEM Fuel Cell Control System in Fuel Cell Vehicles”, IJE, vol. 7, no. 2, pp. 78–85, Aug. 2024.