Budiono, Kris, HandoKo HandoKo, U. Hernawan, and Godwin Godwin. “Penafsiran Struktur Geologi Bawah Permukaan Di Kawasan Semburan Lumpur Sidoarjo, Berdasarkan Penampang Ground Penetrating Radar (GPR)”. Indonesian Journal on Geoscience 5, no. 3 (September 28, 2010): 187–195. Accessed April 26, 2025. https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/102.