“The Effect of H₂SO₄ Catalyst and Electric Voltage on Hydrogen Gas Production via the Electrolysis of Distilled Water”. G-Tech: Jurnal Teknologi Terapan 9, no. 3 (July 2, 2025): 1092–1100. Accessed October 2, 2026. https://ejournal.uniramalang.ac.id/g-tech/article/view/6880.