Fahru Friwansyah, Dianto Isnawan, and Hurien Helmi. “Geologi Dan Morfotektonik Daerah Gunung Tumpeng Kecamatan Karangrayung Kabupaten Grobogan”. ReTII 18, no. 1 (November 11, 2023): 687–691. Accessed June 4, 2026. https://journal.itny.ac.id/index.php/ReTII/article/view/4563.