Gurusinga, Muhammad Andriansyah, Yusuf Bagaskoro, Dzikru Aminulloh, Septyo Uji Pratomo, Peter Pratistha Utama, and Andhika Nugraha. 2026. “Geochemical and Morphometric Characterization of Mt. Ronggo (Scoria Cone), East Java, Indonesia: Insights into Monogenetic Volcanism and Edifice Instability”. OPHIOLITE: Jurnal Geologi Terapan 8 (1):1-12. https://doi.org/10.56099/ophi.v8i1.p1-12.