KUSUMA, Wira Hadi. Gravity Anomaly Enhancement for Geothermal Prospect Characterization: A Comparative Application of First Horizontal Derivative, Second Vertical Derivative, and Regional–Residual Separation Using Surfer and Oasis Montaj. International Journal of Sustainable Applied Sciences, [S. l.], v. 4, n. 10, p. 1433–1448, 2026. DOI: 10.59890/ijsas.v4i10.86. Disponível em: https://ijsasjournal.my.id/index.php/ijsas/article/view/86. Acesso em: 21 oct. 2026.