T. P. . Sari, D. . Widhiyanuriyawan, A. . Sadrina, R. B. . Anggoro, R. A. . Raharjo, and R. . Rizaldi, “The Influence of the Mass Fraction of Catalyst for Oxy-Hydrogen (HHO) Production on the Dry Cell Type of HHO Generator”, Nusantara Sci. Tech. Proc., pp. 342–347, Nov. 2022, doi: 10.11594/nstp.2022.2751.