Fitriana, Kamila Nur, Arif Ashari, Raisya Arzety Olivia, Az-Zahra Ardhana Reswari, Bagas Syarifudin, and Wan Amiruddin Bin Wan Mohd Nor. 2025. “Progress Research on Pedological Investigation of the Volcanic Landform in the Western Part of the Ring of Fire: A Review”. Journal of Geographical Research: Geoeducasia 1 (1):18-32. https://journal.uny.ac.id/publications/geoeducasia/article/view/1320.