AHMAD FAHRUR RIZQI; HARTOYO, Adisti Permatasari Putri; MURSALINA NUR BUANA; NOVIA DAMAYANTI; DAVID ANDERSON LUBIS; YURICO BAKHRI. Monitoring Forest Cover Change and Encroachment Risk Mapping Using the Normalized Difference Fraction Index (NDFI): A Case Study of Gunung HalimunSalak National Park, Indonesia. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management), Bogor, ID, v. 15, n. 6, p. 1060, 2025. DOI: 10.29244/jpsl.15.6.1060. Disponível em: https://journal.ipb.ac.id/jpsl/article/view/65762. Acesso em: 12 jan. 2026.