Ahmad Fahrur Rizqi; Hartoyo, A. P. P. .; 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. JPSL 2025, 15 (6), 1060. https://doi.org/10.29244/jpsl.15.6.1060.