“Identification of Subsurface Geological Structures of the Arjuno-Welirang Geothermal Potential Area Using the Gravity Method”. Malaysian Journal of Fundamental and Applied Sciences 22, no. 1 (February 27, 2026): 90–101. Accessed September 28, 2026. https://mjfas.utm.my/index.php/mjfas/article/view/4573.