Muntia, Hermawan, Bambang Sudarmanta, and Jajang Amir Hidayat. 2026. “The Analysis of Hydrogen Gas Addition in Biodiesel Dual-Fuel System of the Efficiency and Operational Characteristics of Pro Quip u.s.A Qdx-400 Diesel Engine”. Jurnal Cahaya Mandalika ISSN 2721-4796 (online) 7 (3). Indonesia, 83-89. https://doi.org/10.36312/jcm.v7i3.6522.