Ulfa, Yuaniarti, Nur Fathin Mohd Jamel, and Mardiana Samsuardi. “Ground Penetrating Radar Survey Across The Bok Bak Fault, Kedah, Malaysia”. EKSPLORIUM 34, no. 2 (November 6, 2013): 89–98. Accessed December 6, 2025. https://ejournal.brin.go.id/eksplorium/article/view/8047.