Sartika, Dewi, et al. “PROVENANCE ANALYSIS OF SANDSTONE IN THE SEURELA FORMATION IN JEUMPA DISTRICT, BIREUN REGENCY, ACEH PROVINCE”. Jurnal Geosaintek, vol. 12, no. 3, Aug. 2026, pp. 253-6, doi:10.12962/j25023659.v12i3.9194.