Putriani et al. 2026. Gravity-based 3D imaging of subsurface heat source and structural controls in the Pemali non-volcanic geothermal, Bangka Island, Indonesia. Journal of Geothermal Research and Volcanology. 1, 1 (Mar. 2026), 01–08. DOI:https://doi.org/10.58524/jograv.v1i1.104.